MS3102E16-11P is a MIL-DTL-5015 Series I circular connector designed as a box mounting receptacle with threaded coupling and pin gender contacts. The connector features a shell size 16 with 5 size 12 solder cup contacts plated with hard silver, and the shell is constructed from aluminum alloy with olive drab chromate coating over cadmium plating. Key electrical specifications include a contact rating of 41 A at +20°C, contact resistance of 3 mO, test voltage of 1600 Vrms, and insulator resistance greater than 1000 MO. The connector operates over an ambient temperature range of -55°C to +125°C and provides IP65 protection rating with 500 hours salt spray resistance. This rugged connector is suitable for military, aerospace, and industrial applications requiring reliable electrical connections in harsh environments.