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MIL-DTL-38999 Dust Caps and Protective Covers
MIL-DTL-38999 dust caps, officially referred to as protective covers, are designed to protect the exposed mating interface of unmated MIL-DTL-38999 circular connectors.
When a connector is disconnected, its contacts, insert, coupling mechanism, and sealing surfaces may be exposed to dust, moisture, dirt, handling damage, and other environmental contaminants. A correctly selected protective cover helps keep the connector interface clean and protected until the connector is ready to be mated again.
MIL-DTL-38999 protective covers are available for plugs and receptacles across Series I, Series II, Series III, and Series IV connector families. Selection depends primarily on the connector series, connector type, shell size, material and finish, and the required attachment method.
This guide explains the differences between MIL-DTL-38999 dust cap types, common military part numbers, materials, finishes, attachment options, and the key factors engineers and buyers should consider when selecting a protective cover.
What Is a MIL-DTL-38999 Dust Cap?
A MIL-DTL-38999 dust cap is a removable protective accessory fitted over the mating end of an unmated connector.
The official military specification terminology is generally protective cover, although the terms dust cap, connector cap, and protective cap are also widely used in technical and purchasing contexts.
The primary purpose of the cover is to protect the connector interface when the mating half is not installed. This is the core function of every MIL-DTL-38999 dust cap.
Depending on the design, a protective cover may help protect:
- exposed pin or socket contact areas
- connector inserts
- coupling threads or bayonet interfaces
- sealing surfaces
- polarization and keying features
- conductive mating surfaces
- the connector from accidental handling damage
Many protective covers also include a chain, rope, ring, or other retention device so that the cap remains attached to the equipment or cable assembly when removed.
A dust cap should be treated as part of the overall connector protection system rather than as a cosmetic accessory. For connectors that are frequently disconnected, stored outdoors, transported between locations, or exposed during maintenance, the correct protective cover can reduce contamination and help maintain a clean mating interface.
For a broader explanation of the connector family, see our MIL-DTL-38999 Connectors Guide.
Why Do Unmated MIL-DTL-38999 Connectors Need Protective Covers?
MIL-DTL-38999 connectors are engineered for demanding environmental applications, but an unmated connector does not have the same interface protection as a properly mated connector pair.
Once disconnected, the front of the connector may become exposed to the surrounding environment. A properly selected MIL-DTL-38999 dust cap addresses this exposure directly.
Protection Against Dust and Contamination
Dust, sand, metal particles, fibers, grease, and other debris can enter an exposed connector interface.
Contamination may interfere with mating, damage sealing areas, or accumulate around contacts and inserts. A protective cover creates a physical barrier between the connector interface and the surrounding environment.
Protection Against Moisture
Rain, condensation, spray, and high humidity can affect exposed electrical interfaces.
A correctly fitted protective cover can help reduce direct exposure to moisture while the connector is not in use. Actual environmental performance depends on the specific cover design, gasket, condition, installation, and applicable specification requirements.
Protective covers should not automatically be assumed to provide a particular IP rating unless that rating has been verified for the complete assembly.
Protection Against Mechanical Damage
Exposed connectors can be damaged during transportation, maintenance, equipment installation, or storage.
A protective cover can help shield the interface from:
- accidental impact
- dropped tools
- contact with surrounding equipment
- scratching
- deformation of exposed features
- damage during cable handling
This is particularly important for cable-mounted plugs that are frequently disconnected and moved.
Protection of Coupling Interfaces
The coupling mechanism is critical to proper connector engagement.
Depending on the MIL-DTL-38999 series, the connector may use bayonet, threaded, or breech-type coupling. Dirt or physical damage around these areas may make future mating more difficult.
A protective cover helps keep the coupling interface cleaner while the connector is unmated.
MIL-DTL-38999 Dust Cap Types by Series
MIL-DTL-38999 includes four connector series with different coupling mechanisms and interface designs. The correct MIL-DTL-38999 dust cap must therefore be selected for the connector’s specific series.
|
Connector Series |
Coupling Type |
Plug Protective Cover |
Receptacle Protective Cover |
|---|---|---|---|
|
MIL-DTL-38999 Series I |
Bayonet |
MS27501 |
MS27502 |
|
MIL-DTL-38999 Series II |
Bayonet |
MS27510 |
MS27511 |
|
MIL-DTL-38999 Series III |
Threaded |
D38999/32 |
D38999/33 |
|
MIL-DTL-38999 Series IV |
Breech coupling |
D38999/51 |
D38999/52 |
These protective-cover families are identified in the MIL-DTL-38999 specification system and its associated specification sheets.
MIL-DTL-38999 Series I Dust Caps
Series I connectors use bayonet coupling, and the matching MIL-DTL-38999 dust cap must be selected accordingly.
The commonly associated protective cover families are:
- MS27501 — protective cover for a plug
- MS27502 — protective cover for a receptacle
These covers are selected according to the corresponding Series I connector shell size and the required material, finish, and attachment configuration.
Learn more about the connector family in our [Internal link: MIL-DTL-38999 Series I Guide \xe2\x80\x94 page not yet published].
MIL-DTL-38999 Series II Dust Caps
Series II connectors also use bayonet coupling, but their interface dimensions are different from Series I.
The common protective cover designations are:
- MS27510 — protective cover for a plug
- MS27511 — protective cover for a receptacle
A Series I cover should not be selected for a Series II connector simply because both connector families use bayonet coupling. The cover must match the actual connector series and interface.
Learn more in our [Internal link: MIL-DTL-38999 Series II Guide \xe2\x80\x94 page not yet published].
MIL-DTL-38999 Series III Dust Caps
Series III is one of the most widely used MIL-DTL-38999 configurations and uses a threaded coupling system.
The standard protective cover families are:
Series III protective covers are available in configurations defined for the applicable connector interface, shell size, class, and attachment requirement. The D38999/33 detail specification identifies the receptacle protective cover as a Series III component.
For more information about connector construction and selection, see our [Internal link: MIL-DTL-38999 Series III Guide \xe2\x80\x94 page not yet published].
MIL-DTL-38999 Series IV Dust Caps
Series IV connectors use a breech-type coupling interface.
The protective cover families include:
- D38999/51 — protective cover for a plug
- D38999/52 — protective cover for a receptacle
Because the Series IV coupling system differs substantially from Series I, II, and III designs, a protective cover specifically intended for the Series IV interface is required. The D38999/52 detail specification defines the receptacle protective cover for MIL-DTL-38999 Series IV.
Learn more in our [Internal link: MIL-DTL-38999 Series IV Guide \xe2\x80\x94 page not yet published].
Plug Covers vs Receptacle Covers
One of the most common selection mistakes is confusing a plug protective cover with a receptacle protective cover.
The terminology refers to the connector half being protected.
Plug Protective Cover
A plug protective cover is designed to fit over a connector plug.
Examples include:
- MS27501 for Series I plugs
- MS27510 for Series II plugs
- D38999/32 for Series III plugs
- D38999/51 for Series IV plugs
Receptacle Protective Cover
A receptacle protective cover is designed to fit over a connector receptacle.
Examples include:
- MS27502 for Series I receptacles
- MS27511 for Series II receptacles
- D38999/33 for Series III receptacles
- D38999/52 for Series IV receptacles
The distinction is important because the mating geometry is different.
A common purchasing error is to think that a “plug cover” means a cover that plugs into a receptacle. In specification terminology, it generally means a protective cover intended for the connector plug itself.
The safest selection method is therefore:
Identify the connector → determine whether it is a plug or receptacle → select the protective cover designed for that connector half.
Common MIL-DTL-38999 Protective Cover Part Numbers
The following are the most commonly encountered MIL-designated protective cover families.
MS27501
Protective cover for a MIL-DTL-38999 Series I plug.
Typical selection variables include:
- finish
- shell size
- attachment style
- attachment length
MS27502
Protective cover for a MIL-DTL-38999 Series I receptacle.
The correct version must match the receptacle shell size and required cover configuration.
MS27510
Protective cover for a MIL-DTL-38999 Series II plug.
MS27511
Protective cover for a MIL-DTL-38999 Series II receptacle.
The MIL-DTL-38999 supplement identifies MS27510 and MS27511 as Series II protective covers for plugs and receptacles respectively.
D38999/32
Protective cover for a MIL-DTL-38999 Series III plug. View the D38999/32W21N product page.
This is commonly required when a Series III cable plug remains disconnected during storage, servicing, transportation, or equipment downtime.
D38999/33
Protective cover for a MIL-DTL-38999 Series III receptacle. View the D38999/33W15N product page.
It is commonly used on exposed equipment, panel, wall-mount, and jam-nut receptacle interfaces when the mating plug is removed.
D38999/51
Protective cover for a MIL-DTL-38999 Series IV plug.
D38999/52
Protective cover for a MIL-DTL-38999 Series IV receptacle.
When requesting a quotation, providing the exact connector part number is often the fastest way to identify the correct cover.
For example:
- a Series III receptacle such as a D38999/20 type generally requires a compatible Series III receptacle protective cover
- a Series III plug such as a D38999/26 type generally requires a compatible Series III plug protective cover
The shell size and other configuration requirements must still be verified before ordering.
Materials and Finishes
Protective cover material and finish should be considered as carefully as the connector shell itself. Material and finish selection directly affects how well a MIL-DTL-38999 dust cap performs in service.
Depending on the specification sheet, series, class, and manufacturer offering, protective covers may be available in different metallic or composite configurations.
Common material and finish categories include:
Aluminum Alloy
Aluminum is widely used because it provides a practical balance of:
- low weight
- mechanical durability
- machinability
- corrosion protection when correctly finished
Different surface finishes may be available depending on the applicable cover family.
Electroless Nickel
Electroless nickel is commonly selected where a conductive metallic finish and good corrosion resistance are required. Read more about this finish in our Electroless Nickel Plating guide.
It is also frequently considered for applications where cadmium restrictions or environmental requirements affect finish selection.
Cadmium-Based Finishes
Cadmium finishes have historically been widely used on high-reliability circular connectors and accessories because of their corrosion resistance and electrical properties.
However, cadmium is subject to environmental and regulatory restrictions in many markets.
When replacing a legacy part, engineers and buyers should verify whether the original finish is mandatory or whether an approved alternative may be used.
Read our [Internal link: Connector Plating and Finishes Guide \xe2\x80\x94 page not yet published] for a detailed comparison.
Stainless Steel or Corrosion-Resistant Steel
Some protective cover classes may use corrosion-resistant steel for applications requiring additional durability, corrosion performance, or specific environmental characteristics.
The additional weight compared with aluminum should be considered.
Composite Materials
Composite protective covers may be available for certain connector families where reduced weight and corrosion resistance are priorities.
Availability depends on the applicable specification and product configuration.
Match the Cover to the Application, Not Just the Color
Two covers that look similar may have different:
- base materials
- conductive properties
- corrosion performance
- temperature capabilities
- specification status
Do not select a protective cover only because its appearance matches the connector.
The complete material and finish designation should be checked.
Should the Dust Cap Finish Match the Connector?
In many applications, matching or carefully coordinating the connector and protective cover finish is recommended.
This can help with:
- material compatibility
- corrosion control
- electrical continuity requirements
- environmental performance
- maintenance standardization
However, an identical visual finish does not automatically guarantee technical compatibility.
Engineers should consider:
- connector shell material
- protective cover material
- plating or coating
- exposure to salt, moisture, chemicals, or industrial contaminants
- electrical bonding requirements
- applicable regulatory restrictions
Dissimilar material combinations can create corrosion concerns in some environments.
When in doubt, provide the full connector part number and application conditions for compatibility review.
Chain, Rope, Ring, and Lanyard Options
A protective cover is often removed during operation or maintenance. Without a retention system, it can easily be lost. This is why many MIL-DTL-38999 dust caps ship with a retention chain or rope.
For this reason, MIL-DTL-38999 dust caps may be supplied with different attachment options depending on the cover family and specification.
Common options include:
No Attachment
The protective cover is supplied without a chain or retention device.
This may be suitable when:
- the cover is removed only occasionally
- it is stored separately
- surrounding equipment cannot accommodate a chain
- the installation has its own retention system
The disadvantage is that loose covers are easier to misplace.
Chain Attachment
A chain keeps the protective cover attached to the connector, equipment panel, or cable assembly.
This is one of the most common configurations.
Advantages include:
- reduced risk of losing the cover
- faster installation after disconnecting the connector
- easier maintenance control
Chain with Ring
Some configurations use a chain and mounting ring.
This can be useful when the cover must be retained around a receptacle or another fixed mounting area.
Rope or Flexible Retention
Some protective cover designs may use a rope or other flexible retention system instead of a metal chain.
The exact options depend on the protective cover family and applicable specification sheet.
Attachment Length
Attachment length is an important but often overlooked selection factor.
A chain or rope that is too short may:
- restrict connector access
- interfere with mating
- pull on the cap
- contact nearby equipment
An excessively long attachment may:
- snag on surrounding components
- create unnecessary movement
- interfere with servicing
Always check the available installation space before specifying attachment length.
How to Select the Correct MIL-DTL-38999 Dust Cap
Selecting the correct MIL-DTL-38999 dust cap requires more than matching the connector diameter.
Use the following process.
Step 1: Identify the Connector Series
Determine whether the connector is:
- Series I
- Series II
- Series III
- Series IV
The coupling interface is different between series.
A cover designed for one series should not be assumed to fit another series.
Step 2: Identify the Connector Half
Determine whether the exposed connector is a:
- plug; or
- receptacle
This determines whether a plug cover or receptacle cover is required.
Step 3: Confirm the Shell Size
Protective covers are manufactured for specific shell sizes.
The shell size of the cover must correspond to the connector interface.
For help identifying connector dimensions, see our [Internal link: Circular Connector Shell Sizes Guide \xe2\x80\x94 page not yet published].
Step 4: Select the Material and Finish
Consider:
- corrosion exposure
- weight
- conductivity
- regulatory restrictions
- temperature
- compatibility with the connector shell
Do not choose a finish based only on appearance.
Step 5: Choose the Attachment Method
Decide whether the application requires:
- no attachment
- chain
- chain with ring
- rope
- another approved retention configuration
Step 6: Check Attachment Length
Confirm that the chain or retention device is long enough for convenient connector access but not so long that it interferes with surrounding equipment.
Step 7: Review the Operating Environment
Consider exposure to:
- dust
- sand
- moisture
- salt atmosphere
- industrial contaminants
- vibration
- repeated handling
- transportation
The environment can influence both material selection and retention design.
Step 8: Confirm Documentation Requirements
Determine whether the project requires:
- an exact military part number
- specification conformity
- QPL sourcing
- a manufacturer certificate
- inspection documentation
- a commercial equivalent
A commercial-style protective cover may be physically compatible without meeting every documentation requirement of a military-specified component.
This distinction should be confirmed before ordering.
Does Insert Arrangement Matter When Selecting a Dust Cap?
In most cases, MIL-DTL-38999 dust cap selection is based primarily on:
- connector series
- plug or receptacle style
- shell size
- cover class
- attachment configuration
The insert arrangement and contact layout are generally not the main selection criteria because the protective cover interfaces with the connector shell and coupling area rather than mating electrically with the contact arrangement.
The applicable detail specification should still be checked for the exact configuration. For example, the Series IV receptacle cover specification states that protective covers fit receptacles with pin or socket contacts in any polarization position.
This means that two connectors with the same compatible series and shell size may use the same basic protective cover even when their contact arrangements differ.
However, never rely on shell size alone when the connector series is unknown.
How to Read a MIL-DTL-38999 Protective Cover Part Number
MIL-DTL-38999 Series I Protective Cover Part Number
MIL-DTL-38999 Series II Protective Cover Part Number
MIL-DTL-38999 Series III Protective Cover Part Number
The exact part number format depends on the MIL-DTL-38999 dust cap family.
A typical designation may identify:
- the specification or MS number
- material or finish class
- shell size
- attachment style
- attachment length or configuration
For example, a part number may follow a general structure such as:
Base Number + Finish/Class + Shell Size + Attachment Option + Length Option
The actual letters and allowed combinations vary by specification sheet.
Do not assume that a finish code used for one cover family has exactly the same meaning or availability in another family.
For accurate decoding:
- identify the complete part number
- find the corresponding specification sheet
- verify every code position
- check revision status
- confirm whether the requested combination is valid
For a broader explanation of military connector numbering systems, see our guide on [Internal link: How to Read MIL-Spec Connector Part Numbers \xe2\x80\x94 page not yet published].
Dust Caps vs Backshells, Sealing Plugs, and Protective Boots
Several connector accessories provide protection, but they serve different purposes. Understanding these differences helps clarify exactly what a MIL-DTL-38999 dust cap is designed to do.
Dust Cap or Protective Cover
Installed on the front mating interface when the connector is unmated.
Primary purpose:
- protect the exposed connector interface
Backshell
Installed on the rear of the connector.
Depending on the design, a backshell may provide:
- cable strain relief
- EMI shield termination
- environmental protection
- cable routing
- mechanical support
A protective cover cannot replace a backshell.
See our MIL-Spec Connector Backshells Guide.
Sealing Plug
Installed in an unused contact cavity.
Its purpose is to maintain sealing performance around unused cavity positions.
A sealing plug does not protect the entire mating interface.
Strain Relief Boot
Installed around the rear cable termination area.
Its purpose may include:
- bend support
- strain relief
- cable transition protection
- environmental sealing
A boot does not replace a front protective cover.
Dummy Stowage Receptacle
Provides a storage position for a disconnected plug.
A stowage receptacle is different from a simple protective cover because it provides a dedicated mechanical storage interface for the cable connector.
Choosing the correct accessory depends on which part of the connector system needs protection.
Typical Applications
MIL-DTL-38999 dust caps are commonly used wherever connectors may remain temporarily or repeatedly unmated.
Typical applications include:
Aircraft and Aerospace Systems
Protective covers may be used during:
- aircraft maintenance
- equipment replacement
- ground servicing
- system integration
- transportation and storage
Communication and Electronic Equipment
External or panel-mounted connectors may remain disconnected when optional equipment is not installed.
A protective cover helps keep the interface protected until the connection is required.
Rail and Transportation Equipment
Connectors used on vehicles and infrastructure may be exposed during inspection, maintenance, or equipment replacement.
Marine and Offshore Equipment
Salt, moisture, and contamination can make correct material and finish selection particularly important.
Industrial Automation
Portable machines, test equipment, sensors, and modular production systems may use connectors that are frequently connected and disconnected.
Test and Measurement Systems
Protective covers can help protect unused test ports and temporary cable interfaces between test cycles.
Ground Support Equipment
Equipment stored or operated in outdoor environments can benefit from protective covers on unused connector interfaces.
Installation and Maintenance
Even the correct MIL-DTL-38999 dust cap cannot perform properly if it is damaged, contaminated, or incorrectly installed.
Inspect the Connector First
Before installing the cover:
- check the connector interface for debris
- remove visible contamination using an approved method
- inspect threads or bayonet features
- check sealing surfaces
Do not trap excessive contamination inside the cover.
Inspect the Gasket or Sealing Element
Where the cover design includes a gasket or sealing element, inspect it for:
- cuts
- permanent deformation
- cracking
- contamination
- missing sections
A damaged gasket can reduce the protective effectiveness of the cover.
Fully Engage the Cover
The cover should be installed according to its coupling design.
Avoid:
- cross-threading
- incomplete bayonet engagement
- forced installation
- incorrect alignment
Inspect the Chain or Retention Device
Check for:
- broken links
- corrosion
- loose attachment points
- excessive wear
- interference with surrounding equipment
Keep the Inside of the Cover Clean
A contaminated protective cover can transfer dirt directly to the connector interface.
When removed, avoid placing the open side of the cap on dirty work surfaces.
Common MIL-DTL-38999 Dust Cap Selection Mistakes
Mistake 1: Choosing by Diameter Only
Two covers can appear similar in size but use different coupling interfaces.
Always verify the connector series.
Mistake 2: Confusing Plug and Receptacle Covers
A plug cover and receptacle cover are not interchangeable.
Identify the connector half before ordering.
Mistake 3: Ignoring Shell Size
The cover must match the connector shell size.
Mistake 4: Selecting by Color
Olive drab, silver, black, or other appearances do not fully identify the base material or finish.
Check the complete designation.
Mistake 5: Forgetting the Attachment Requirement
A cap without a chain may be acceptable in storage but inconvenient on field equipment.
Consider how frequently the connector is disconnected.
Mistake 6: Ignoring Chain Length
A chain that interferes with the mating plug or surrounding equipment can create installation problems.
Mistake 7: Assuming All Compatible Parts Have the Same Compliance Status
A commercial equivalent may fit the connector without carrying the same qualification, marking, or documentation as a specified military part.
Define compliance requirements before purchasing.
Mistake 8: Treating a Dust Cap as a Backshell
A dust cap protects the unmated front interface.
It does not provide rear cable support, EMI termination, or strain relief.
Information to Provide When Requesting a Quote
For the fastest and most accurate MIL-DTL-38999 dust cap selection, provide as much of the following information as possible:
- complete connector part number
- connector series
- plug or receptacle
- shell size
- preferred material and finish
- attachment type
- required attachment length
- quantity
- operating environment
- documentation or compliance requirements
The complete mating connector part number is especially useful.
For example, instead of requesting only:
“Need D38999 dust cap.”
provide:
“Need a protective cover for D38999/20 connector, shell size 15, electroless nickel finish, with chain.”
This gives the supplier enough information to review the correct protective cover family and configuration.
Why Choose AVIA for MIL-DTL-38999 Protective Covers?
AVIA supplies circular connector accessories for aerospace, transportation, communication, industrial, marine, and other high-reliability applications, including MIL-DTL-38999 dust caps for every connector series.
Our MIL-DTL-38999 accessory support includes:
- plug protective covers
- receptacle protective covers
- different shell sizes
- multiple material and finish options
- chain and retention configurations
- backshells
- sealing accessories
- strain-relief solutions
- related circular connector components
We can help customers review requirements based on:
- an existing connector part number
- a legacy drawing
- a specification designation
- required material and finish
- environmental conditions
- target quantity
For replacement projects, provide the original connector or protective cover part number whenever possible.
For new designs, our team can help review connector series, shell size, finish, attachment, and related accessory requirements.
Need help selecting a MIL-DTL-38999 dust cap? Send us your connector part number, shell size, required finish, and quantity for review. [Internal link: Contact our team for a quote \xe2\x80\x94 page not yet published]
Frequently Asked Questions
What is the difference between a dust cap and a protective cover?
For a MIL-DTL-38999 dust cap, protective cover is the more formal specification terminology used in documentation.
Dust cap is a widely used industry term for the same general type of accessory.
For product searches and customer communication, both terms are useful.
Are MIL-DTL-38999 dust caps required?
The requirement depends on the equipment design, maintenance process, environment, and applicable specification.
Protective covers are especially useful when connectors remain unmated and exposed to contamination, moisture, handling, or transportation.
Which protective cover fits a D38999/20 receptacle?
D38999/20 is a Series III receptacle style.
A compatible Series III receptacle protective cover is generally selected from the D38999/33 family, with the correct shell size, class, and attachment configuration.
The complete connector part number should be checked before ordering.
Which protective cover fits a D38999/26 plug?
D38999/26 is a Series III plug style.
A compatible Series III plug protective cover is generally selected from the D38999/32 family.
The shell size and other configuration requirements must match.
Can a Series I dust cap fit a Series II connector?
Do not assume that it can.
Although Series I and Series II connectors both use bayonet coupling, they use different interface designs and different protective cover families.
Series I commonly uses MS27501 and MS27502.
Series II commonly uses MS27510 and MS27511.
Does the insert arrangement affect dust cap selection?
Usually, the most important factors are the connector series, connector type, shell size, class, and attachment configuration.
The dust cap interfaces with the connector shell rather than electrically mating with the contact arrangement.
Always verify the applicable specification sheet for the exact configuration.
Should the dust cap finish match the connector finish?
Matching or carefully coordinating materials and finishes is generally recommended, particularly where corrosion, conductivity, or environmental exposure is important.
However, the correct combination should be based on technical compatibility rather than color alone.
Are MIL-DTL-38999 dust caps waterproof?
A correctly fitted protective cover can help protect an unmated connector from moisture and contamination.
However, do not assume a specific waterproof or IP rating unless it has been verified for the exact protective cover and connector assembly.
Can one dust cap fit multiple MIL-DTL-38999 series?
Generally, no.
Series I, II, III, and IV use different connector interfaces and protective cover families.
Always identify the connector series first.
Do protective covers come with chains?
Many configurations are available with chains or other retention systems.
Depending on the protective cover family, options may include:
- no attachment
- chain
- chain with ring
- rope
- other approved retention configurations
How do I find the correct dust cap for an unknown connector?
Start by identifying:
- the connector part number
- connector series
- plug or receptacle style
- shell size
If the part number cannot be read, provide clear photographs of:
- the front interface
- the side profile
- the coupling mechanism
- all visible markings
- the approximate dimensions
Related Guides
Related Connector Standards
- MIL-DTL-38999 Connectors
- MIL-DTL-26482 Connectors
- MIL-DTL-83513 Micro-D Connectors
Comparison Guides
- MIL-DTL-38999 vs MIL-DTL-5015
- MIL-DTL-5015 vs MIL-DTL-26482
- MIL-DTL-5015 vs MIL-DTL-22992
Related Guides
- How to Read MIL-Spec Connector Part Numbers
- Circular Connector Shell Sizes
- Connector Insert Arrangements
- Pin vs Socket Contacts
- Connector Plating and Finishes
- MIL-Spec Connector Backshells
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