MS5015 / MS3102A204S U.S. Military Standard Aviation Plug Socket Connector Key benefits Reliable, repeatable electrical connections for demanding applications. This MILstandard aviation connector is designed to minimize contact loss from vibration, movement, and environmental stress. Compact 4contact design provides a spacesaving solution where multiple conductors must be routed through a single mating interface. Compatible with MILspec mating components and existing MSseries wiring harnesses, making repairs and installations faster and more predictable. What this connector gives you Durability and consistency: Built to U.S. military specification standards for use in aviation and other reliability environments. Secure mating: Positive, keyed mating reduces the risk of misalignment and accidental disconnects. Professionalgrade finish: Metal shell and plated contacts (typical of MILstandard parts) for longterm electrical integrity and corrosion resistance. Key attributes Model/part numbers: MS5015, MS3102A204S Contact arrangement: 4 sockets (4contact configuration) Size: Size 20 contact layout (compact circular form factor) Standard: U.S. Military Standard / MILspec aviation connector Functionality: Provides a multicontact plug/socket interface suitable for signal and low to moderatecurrent power connections Compatibility: Designed for use with MSseries and MS3102series mating connectors and assemblies that follow MILspec dimensions and pin assignments Typical applications Aircraft and avionics wiring harnesses: Use for repaired or custom harnesses where MILstandard connectors are required for certification or reliability. Ground and support equipment: Ideal for test benches, power carts, and maintenance units that must interface with aircraft or MILspec systems. Industrial and defense electronics: Suitable for control panels, communications equipment, and other systems requiring durable, militaryspec circular connectors. Why customers choose this connector Maintains system integrity in vibrationprone and missioncritical environments. Simplifies integration into existing MILstandard systems and harnesses. Reduces downtime by providing a standardized, serviceable connector option. Installation and handling notes Use appropriate crimp or solder contacts and tooling specified for MSseries connectors to ensure reliable terminations. Confirm correct mating part number and pin orientation before installation to match aircraft or equipment wiring diagrams. Inspect contacts and shell for damage or contamination before assembly to ensure electrical performance. Ordering information Refer to MS5015 / MS3102A204S when matching to MILspec drawings, replacement parts lists, or procurement documents. Verify the required contact type (socket) and size (20) to ensure correct compatibility. This connector is intended for professionals and technicians working with MILspec aviation or industrial systems who need a compact, dependable 4contact plug/socket solution that aligns with U.S. Military Standard specifications.