MS3476B22-55SN | 55-Socket MIL-DTL-26482 Series II Plug (Size 22) – Olive Drab Cadmium
The MS3476B22-55SN is a size 22 MIL-DTL-26482 Series II straight plug with 55 socket contacts. Features an olive drab cadmium finish for superior corrosion resistance and EMI shielding.
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Product Overview
The MS3476B22-55SN is a bayonet-coupled circular connector from the MIL-DTL-26482 Series II family, engineered for reliable performance in demanding military and industrial environments. Built for extreme-environment applications, this connector is widely used in military and aerospace systems, ground defense equipment, industrial machinery, and marine/offshore installations where reliable performance under vibration, moisture, and temperature extremes is critical.
This part number designates a shell size 22 connector with a 55-contact socket arrangement in a plug (P) configuration. The MS3476 Series II construction features a quick-mating bayonet coupling mechanism for secure and efficient mating, environmental sealing to help protect against moisture and contaminant ingress, and a corrosion-resistant olive drab cadmium-plated aluminum alloy shell suitable for demanding operating conditions.
Part Number Breakdown
Stock & Availability
In Stock / Factory Lead Time
At AVIA Electronics, we understand that your project timelines depend on component reliability. To support your mission-critical operations, we maintain a proactive inventory strategy specifically optimized for the MS3476B22-55SN and our broader line of high-reliability connectors.
In-Stock (Ready to Ship): The MS3476B22-55SN is currently verified in our central facility. Orders placed for these items are processed and dispatched within 24–48 business hours, ensuring minimal downtime for your production or maintenance schedules.
Factory Lead Time: For large-volume requirements of the MS3476B22-55SN or items currently undergoing replenishment, we provide precise, project-specific lead times. We leverage our direct manufacturing partnerships to secure your allocation, offering transparent tracking from the production line to your facility.
Supply Assurance: We prioritize long-term supply stability for our clients. If you require scheduled deliveries, bulk kitting, or buffer stock of the MS3476B22-55SN for multi-phase projects, our logistics team is ready to coordinate a personalized supply plan aligned with your specific project milestones.
Multiple shell sizes available
The MS3476B22-55SN is part of the extensive MIL-DTL-26482 Series II platform, which is engineered for reliable performance and versatility across complex system architectures. We understand that your designs require consistency; therefore, our connector solutions are available in a comprehensive range of shell sizes to ensure an exact mechanical fit for every application.
Full Spectrum of Sizes: While the MS3476B22-55SN represents a specific configuration, the wider MIL-DTL-26482 Series II product line is available in shell sizes ranging from 8 to 24. This allows engineers to scale their designs—from compact sensor interfaces to higher-density power and signal connections—without compromising on reliability.
Universal Interface Standards: Every shell size within this series uses a reliable bayonet coupling mechanism designed for quick and secure mating. This helps maintain consistent mating procedures and simplifies tooling, installation, and maintenance requirements across your hardware assembly.
Precision Engineering: Regardless of the shell size chosen, each unit is manufactured to stringent military-grade tolerances. Our components undergo rigorous testing for environmental stress, including high-vibration exposure and extreme temperature cycling, ensuring that your system maintains reliable electrical performance across different application sizes.
Custom configurations supported
At AVIA Electronics, we recognize that off-the-shelf components may not always meet the unique demands of your high-performance systems. While the MS3476B22-55SN represents our standard high-reliability configuration, we offer extensive support for custom engineering to ensure our products integrate perfectly into your specific design architecture.
Bespoke Pin & Insert Arrangements: If your project requires a non-standard contact layout or a specific mix of power and signal pins, we can facilitate custom insert arrangements that maintain the stringent MIL-DTL-26482 performance standards while meeting your exact electrical needs.
Specialized Plating & Material Options: Beyond the standard cadmium-plated aluminum alloy shell, we support custom material selections and plating options for enhanced corrosion resistance, EMI shielding, or weight reduction to meet demanding operational requirements.
Modified Shell Geometries: For space-constrained installations, we assist in sourcing or coordinating the manufacture of modified shell geometries, including custom mounting flanges, extended barrels, or integrated backshell configurations that reduce assembly complexity.
Turnkey Kitting & Integration: We offer custom kitting services where we package the MS3476B22-55SN with application-specific accessories—such as heat-shrink boots, protective covers, or custom-terminated cable assemblies—ready for immediate integration into your production line.
Sample Policy & Flexible Order Support
At AVIA Electronics, we provide premium, high-reliability interconnect solutions. To ensure the performance of the MS3476B22-55SN meets your precise engineering requirements, we offer a professional sampling service. We are committed to supporting innovation at every stage of your product lifecycle.
Sample Availability: We provide samples of the MS3476B22-55SN for engineering qualification and prototype testing. As these are high-performance military-grade components, a nominal sample fee applies to cover the material cost and individual handling. This ensures that you receive verified, defect-free parts that are representative of your final production batch.
No Minimum Order Quantity (No MOQ): We believe in supporting innovation regardless of scale. Whether you need a single unit for a critical repair or a small pilot batch for system integration, we operate with no minimum order quantity. You have the flexibility to procure exactly what your current phase requires without the burden of overstocking.
Streamlined Fulfillment: Our logistics team treats every sample order with the same rigor as bulk shipments. From the moment your sample request is processed, we ensure secure, industrial-grade packaging and rapid dispatch, helping you maintain your project momentum.
Logistics & Distribution Services
AVIA Electronics utilizes a reliable distribution framework to ensure the secure and accurate delivery of components to global destinations. Shipping options available for your order are calculated and displayed during the checkout process based on your specific requirements.
Supported Carriers & Services
We partner with established logistics providers to offer a range of delivery solutions:
Express Carriers: DHL, UPS, FedEx, SF Express
Postal & Standard Services: Belgium Post, Global Direct Standard Line, Registered Mail
Shipping Cost Calculation
Shipping charges are dynamically calculated at checkout to ensure accuracy. The final cost is determined by the following variables:
Package Weight: The total combined weight of the products and necessary protective packaging.
Service Selection: Costs vary depending on the chosen carrier and the selected service level (e.g., expedited express vs. standard delivery).
Destination: Rates are adjusted based on the specific country or region of delivery.
Technical Specifications
Basic Info.
|
Model NO. |
MS3476B22-55SN |
|---|---|
|
Application |
Industrial Automation |
|
Contact Material |
Copper |
|
Shell Material |
Aluminum alloy |
|
Shell Size |
22 |
|
Termination Style |
Crimp |
|
Contact Plating |
Gold |
|
Transport Package |
Standard Expect Package |
|
Origin |
China |
|
Production Capacity |
100000 |
|
Certification |
ISO 9001, ISO 14001, ISO 45001, CE, RoHS, REACH, IP68, 500-Hour Salt Spray Tested |
|---|---|
|
Contact Resistance |
≤ 12.0(mΩ) |
|
Surface Treatment |
Olive green cadmium plating |
|
Processing and Customization |
OEM/ODM |
|
Shell Style |
Plug |
|
Mounting Style |
Plug |
|
Mating Style |
bayonet coupling |
|
Grommet and seal |
Silicon rubber |
|
Endurance |
500 cycles |
|
Trademark |
AVIA |
|
HS Code |
8536901100 |
Packaging & Weight
|
Package Size |
41.00cm * 31.00cm * 30.00cm |
|---|---|
|
Package Gross Weight |
100g |
Mechanical Specifications
Vibration
|
Sine |
60g, with temperature cycling and simulated accessory (36 hours) |
|---|---|
|
Random |
44.1 grms in high temperature 49.5 grms in ambient temperature |
|
Shock |
At 3 ms half sinusoid, peak value of acceleration: 300g |
Contact Retention
|
22D# |
45N |
|---|---|
|
20# |
67N |
|
16# |
111N |
|
12# |
111N |
|
10# |
111N |
|
8 # |
111N |
Electrical Performance
Voltage rating (V)
|
Package Size |
M |
N |
I |
II |
|---|---|---|---|---|
|
Sea level |
1300 |
1000 |
1800 |
2300 |
|
21000M |
800 |
600 |
1000 |
1000 |
Contact resistance and rated current
|
Contact Size |
Diameter (mm) |
Resistance (mΩ) |
Current (A) |
|---|---|---|---|
|
22D# |
Φ 0.76 |
≤ 12.0 |
5.0 |
|
20# |
Φ 1.00 |
≤ 5.0 |
7.5 |
|
16# |
Φ 1.60 |
≤ 2.5 |
13.0 |
|
12# |
Φ 2.40 |
≤ 1.5 |
23.0 |
|
10# |
Φ 3.15 |
≤ 1.0 |
40.0 |
Environmental Performance
Operating temperature
|
W class |
-65 oC ~ +175 oC |
|---|---|
|
K, F class |
-65 oC ~ +200 oC |
Salt spray
|
F class |
48h |
|---|---|
|
W class |
500h |
|
K class |
1000h |
Typical Applications
- Military Communication
- Aerospace Systems
- UAV & Defense Electronics
- Industrial Automation
Cross-Reference & Mating
Compatible Brands & Mating
|
Brands |
Equivalents |
Mates |
|---|---|---|
|
Amphenol |
MS3476B22-55SN |
MS3470B22-55PN |
|
Souriau |
- |
- |
|
ITT Cannon |
- |
- |
|
Aero/Conesys |
- |
- |
|
Deutsch |
- |
- |
Compatible Backshells & Caps
|
Type |
Backshells |
Dust Caps |
|---|---|---|
|
Straight, Grommet Nut |
M85049/14-19S |
D38999/33K19N |
|
45°Quick Clamp |
M85049/15-19S |
|
|
90°Quick Clamp |
M85049/16-19S |
|
|
Straight, Spin Coupling Environmental EMI/RFI Backshell |
M85049/18-19S |
|
|
Straight, Spin Coupling Non-Environmental EMI/RFI Backshell |
M85049/19-19S |
|
|
Straight Crimp Ring Adapter |
M85049/20-19S |
|
|
Straight, Spin Coupling Non-Environmental Backshell |
M85049/21-19S |
|
|
Straight Strain Relief Clamp |
M85049/38-19S |
|
|
90°Strain Relief Clamp |
M85049/39-19S |
|
|
45°, Spin Coupling Environmental EMI/RFI Backshell |
M85049/78-19S |
|
|
90°, Spin Coupling Environmental EMI/RFI Backshell |
M85049/79-19S |
|
|
Straight, Spin Coupling, cont. Shrink Boot Adapter |
M85049/69-19S |
|
|
Straight, Self-Lock Band Lock Adapter |
M85049/88-19S |
|
|
45°, Self-Lock Band Lock Adapter |
M85049/89-19S |
|
|
90°, Self-Lock Band Lock Adapter |
M85049/90-19S |
|
|
Straight Pre-Shield Adapter |
M85049/115-19S |
|
|
90°Pre-Shield Adapter |
M85049/117-19S |
|
|
Straight, Strain Relief Clamp |
M85049/124-19S |
|
|
90°Strain Relief Clamp |
M85049/126-19S |
Same Pin Count – Multiple Connector Options
Technical Assembly Kit Included
Protecting Your Connection Integrity
Improper tools often lead to damaged terminals and costly downtime. To ensure the performance of your MIL-DTL-38999 and MIL-DTL-26482 series assemblies, we include a Complimentary AVIA Precision Assembly Kit with every order.
By providing this kit at no additional cost, we ensure that every contact is handled with the correct tooling, maintaining the full electrical specifications and long-term reliability of your system.
The Complimentary AVIA Precision Assembly Kit
High-Reliability Terminal Contacts:
Engineered for optimal electrical and mechanical fit.
Dedicated Extraction Tooling:
Ensures safe, non-destructive handling of all contacts.
Compliance
Quality Management Certifications
Our quality management system, certified to ISO 9001, ensures consistent manufacturing processes and reliable product quality. AVIA Electronics follows internationally recognized quality standards — including ISO 9001 for quality management, ISO 14001 for environmental management, and ISO 45001 for occupational health and safety — to deliver dependable connector solutions.
-
- ISO9001 Certification
-
- ISO14001 Certification
-
- ISO45001 Certification
Product Compliance Certifications
Our connectors comply with international environmental and safety requirements, ensuring reliable and compliant solutions for global markets. AVIA Electronics products meet CE marking requirements, RoHS directive standards for restricted hazardous substances, and REACH regulation requirements for chemical safety, supporting seamless integration into global supply chains.
-
- CE Compliant
-
- RoHS Compliant
-
- REACH Compliant
Product Test Reports
Our products undergo rigorous testing to verify environmental protection, durability, and performance in demanding applications. Connectors are validated to IP68 waterproof and dust-proof ratings and undergo 500-hour salt spray testing to confirm corrosion resistance in harsh military, aerospace, and marine environments.
-
- IP68 Protected
-
- Salt Spray Test
Warranty
1-Year Quality Warranty
We provide a 1-year limited warranty on all products, covering defects in materials and workmanship. Please note that this warranty does not cover damages resulting from improper use, unauthorized modifications, or intentional misuse.
