MS3116F14-12P | 12-Pin MIL-DTL-26482 Series I Straight Plug with Strain Relief (Size 14)
The MS3116F14-12P is a size 14 MIL-DTL-26482 Series I straight plug with 12 pin contacts. Features “F” class environmental sealing and an integrated strain relief cable clamp.
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MS3116F14-12P Efficiency of Multi-Channel Connectivity in Dynamic Grids
The MS3116F14-12P is a high-performance straight plug designed for specialized electronic grids that require a compact yet high-density interface for portable signal transmission. Utilizing the size 14 aluminum alloy shell, this connector facilitates twelve independent conductive paths through its 14-12 insert arrangement. Unlike bulkhead-mounted receptacles, the MS3116F14-12P is engineered for cable-end installation, acting as a critical bridge between mobile sensor modules and centralized control units. By housing twelve Size 20 pin contacts, it provides a robust male interface that ensures a high level of functional integration for complex digital telemetry and multi-channel command loops in modern tactical systems.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Ingress Protection | Mating Cycles | Keying & Polarization | Coupling |
|---|---|---|---|---|---|---|---|
Aluminum alloy | ~1000 VAC | ~23 A | -65 °C to +200 °C | IP67 | 500 | N | quick bayonet coupling |
Tactical Environmental Defense and F-Class Protection
The “F” class designation of the MS3116F14-12P signifies a superior environmental construction that combines internal precision sealing with external mechanical reinforcement. This model incorporates an advanced interfacial seal and a high-grade rear wire-sealing grommet designed to block the ingress of moisture, fine particulates, and chemical vapors. The integral strain relief clamp provides a secondary layer of protection by securing the cable jacket firmly, preventing environmental contaminants from creeping into the contact area through the rear of the connector. The aluminum housing is treated with olive drab cadmium plating, ensuring long-term resistance to corrosion and oxidation in salt-heavy or high-humidity operational zones.
Integrated Strain Relief and Mechanical Longevity
A defining technical feature of the MS3116F14-12P is its integrated cable clamp backshell, which serves as a critical stress-reduction mechanism for terminated wiring. In environments where equipment is frequently deployed or cables are subject to accidental pulling and twisting, the strain relief clamp absorbs physical tension. This ensures that the mechanical load is not transferred to the delicate solder or crimp joints at the pin interface, significantly reducing the risk of fatigue-related failures. For field-deployed communication arrays and mobile industrial machinery, the structural security provided by the “F” backshell is a vital factor in maintaining system uptime and preventing intermittent signal loss.
Precision Pin Fidelity and 14-12 Layout Performance
Within the size 14 housing, the MS3116F14-12P employs twelve Size 20 pin contacts, offering a reliable interface for a variety of digital and low-level analog signal sets. These pins are precision-machined from copper alloy and finished with high-grade gold plating to maintain an ultra-low-resistance electrical path throughout the equipment’s lifespan. The gold plating protects the contact surfaces from environmental degradation and wear during repeated mating cycles, ensuring consistent signal purity. The high-performance dielectric insert provides exceptional insulation resistance between the twelve channels, preventing electrical crosstalk and leakage in mission-critical command and communication grids.
Rapid Bayonet Coupling and EMI Shielding Integrity
The MS3116F14-12P utilizes a three-point bayonet coupling system, allowing for rapid and secure mating with a simple partial turn of the coupling nut. This mechanical interface provides tactile and audible confirmation that the connection is fully locked, which is essential for rapid assembly in high-stress or low-visibility field conditions. Furthermore, the conductive nature of the cadmium-plated aluminum shell provides essential EMI and RFI shielding, protecting the twelve signal lines from external electromagnetic interference. This combination of physical durability, mechanical cable protection, and electrical isolation makes the MS3116F14-12P a dependable choice for ruggedized mobile environments where signal integrity is the highest priority.
FAQ
What are the advantages of the "F" class backshell on the MS3116F14-12P?
What are the advantages of the "F" class backshell on the MS3116F14-12P?
The “F” class backshell provides both environmental sealing through a rear grommet and mechanical protection via an integrated strain relief clamp that prevents tension on the contacts.
How many contacts are in the 14-12 layout?
How many contacts are in the 14-12 layout?
The 14-12 layout features twelve independent Size 20 pin contacts, offering high signal density for a compact size 14 shell.
Is the MS3116F14-12P compatible with MS3112E14-12S receptacles?
Is the MS3116F14-12P compatible with MS3112E14-12S receptacles?
Yes, it is designed to mate perfectly with any MIL-DTL-26482 Series I socket receptacle of the same shell size (14) and layout (12).
Does this plug provide protection against vibration?
Does this plug provide protection against vibration?
Yes, the three-point bayonet coupling system is specifically designed to remain secure under high-vibration conditions, preventing accidental decoupling.
What is the standard finish for the MS3116F14-12P?
What is the standard finish for the MS3116F14-12P?
The standard finish is olive drab cadmium over electroless nickel, which provides excellent corrosion resistance and electrical conductivity for shielding.
Certification
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