The MS3116F14-12S is a military-specification circular connector plug conforming to MIL-DTL-26482 Series I, designed for high-density contact arrangements in demanding environments. It features a size-14 shell with an F-style environmental endbell with clamp, accommodating 12 contacts in a standard layout with W-rotation (0° insert orientation). The connector utilizes an aluminum alloy shell and hardware construction, providing a rugged yet lightweight design suitable for rapid-disconnect bayonet coupling. It is intermateable, intermountable, and interchangeable with all MIL-DTL-26482 connectors, making it compatible with ITT Cannon and Souriau equivalents. Common applications include power generators, off-road vehicles, industrial machinery, engines, earth-moving equipment, telecommunications, sensors, ships, traffic control, and motion control systems where reliable, quick-disconnect connections are essential in commercial, military, and aerospace environments.