MS3116E8-4SW is a MIL-DTL-26482 Series I circular connector plug featuring an 8-shell size with solder contacts and an environmental endbell (E-style) configuration. The connector accommodates a 4-contact layout with W-rotation insert arrangement, providing high-density contact capability in a compact aluminum alloy shell. It utilizes quick-disconnect bayonet coupling for rapid mating and unmating, with rugged construction suitable for military, aerospace, and commercial applications. The connector is interchangeable with ITT Cannon and Souriau MIL-DTL-26482 connectors, making it ideal for power generators, industrial machinery, telecommunications, and mobile equipment requiring reliable high-performance connections.