The MS3106E22-19S is a straight plug circular connector from the MIL-DTL 5015 Series I, designed for reliable electrical connections. It features an aluminum alloy shell with an olive drab chromate coating over cadmium plating for robust performance. The connector houses 3 size 8 copper alloy socket contacts with hard silver plating and solder cup termination. Key electrical characteristics include a current rating of 74 A, a test voltage of 1600 Vrms, and an insulator resistance exceeding 1000 MΩ. Engineered for harsh environments, it is rated IP65, offers 500 hours of salt spray resistance, and operates in temperatures from -55°C to +125°C.