MS3476L14-18SW is a straight plug connector conforming to MIL-DTL-26482 Series 2 specifications, designed for military and commercial aerospace applications. The connector features a shell size 14 with an 18-contact insert arrangement (14-18) accommodating contact size 20, providing reliable electrical connections in demanding environments. It includes a master keyway with 3 teeth equally spaced 120° apart, an accessory thread of 0.8750-20 UNEF (Class 2A), and a maximum diameter over knurl of 1.183 inches. The connector is supplied with standard contacts and sealing plugs, and supports alternate insert positioning for flexible circuit configurations. This connector is widely used in military aircraft, cockpit systems, landing gear assemblies, and aircraft carrier applications where robust, high-reliability interconnections are essential.