The MS3106R10SL-4S is a straight plug connector conforming to MIL-DTL-5015 specifications, featuring a 10SL shell size with 4 contacts in a standard arrangement. The connector is fabricated from high-grade aluminum alloy with cadmium plating and olive drab chromate finish for corrosion resistance. It incorporates machined copper alloy contacts for maximum current carrying capacity and low millivolt drop, with both crimp and solder versions available. The insert features resilient neoprene construction providing high dielectric strength, moisture barrier protection, and vibration resistance. The connector includes an O-ring at the main joint for supplementary sealing, ensuring reliable performance when mating with receptacles from different sources. This design is recommended for new military and aerospace applications requiring robust environmental protection and reliable signal or power transmission.