MS3474W22-55P is a DEUTSCH AFD Series miniature circular connector designed as a single-hole mount receptacle with bayonet quick-connect coupling, qualified to MIL-DTL-26482 Series II. The connector features a shell size of 22 with 55 contact positions and pin contact style, supporting high-density interconnections in compact form factors. The aluminum alloy shell is finished with olive drab cadmium over electroless nickel plating, with copper alloy contacts selectively plated with 50 µin gold and rigid plastic dielectric insulation for environmental sealing. This connector is engineered to withstand harsh aerospace, defense, and marine environments, offering reliable performance through its rear release contacts and environmental sealing design.