The MS3106R-10SL-4S is a 2-position military standard Straight Plug with socket type silver-plated copper alloy contacts and 10SL-4 insert arrangement. Shell components are fabricated from high grade aluminum alloy. Electrically conductive cadmium plate finish with an olive drab chromate after-treat offers corrosion resistance. Resilient neoprene inserts provides high dielectric strength, high arc resistance and resistance to vibration. This connector represents well-proven electrical capability at an acceptable cost for most equipment where durability is important. The MIL-C-5015 series circular connector features threaded coupling, single key and keyway polarization representing maximum simplicity in design. It is suitable for military ground support equipment, ordnance and shipboard installation.