The MS3106F18-11S is a straight plug circular connector from the MIL-DTL 5015 Series I, featuring a threaded coupling and an endbell with a cable clamp. It is configured with a size 18 shell housing 5 size 12 socket contacts with solder cup terminations and hard silver plating. Key electrical characteristics include a contact rating of 41 A, a contact resistance of 3 mΩ, and a test voltage of 1600 Vrms. Built for durability with an aluminum alloy shell and neoprene insulator, it operates from -55°C to +125°C and offers IP65 protection, making it ideal for demanding military and industrial applications.