MS3111F12-10S is a cable-mount circular connector receptacle conforming to MIL-DTL-26482 Series I specifications. It features a shell size 10 with 12 contacts arranged in a high-density configuration, equipped with an environmental endbell (F-style) and bayonet quick-disconnect coupling for rapid mating and unmating. The connector utilizes an aluminum alloy shell with hardware providing a rugged, lightweight design suitable for demanding military, aerospace, and industrial environments. Key dimensional specifications include a shell diameter of 0.697 inches (17.7 mm), thread size of 0.6875-24 UNEF, and overall length of 1.553 inches (39.4 mm). This connector is interchangeable with ITT Cannon and Souriau MIL-DTL-26482 connectors and is commonly deployed in power generators, off-road vehicles, industrial machinery, engines, earth-moving equipment, telecommunications, sensors, ships, and motion control applications where reliable high-density interconnection is essential.