MS3102E14S-7P is a box-mounted circular connector receptacle designed for junction boxes and equipment integration, complying with MIL-DTL-5015 military specifications. The connector features a 14-pin socket arrangement with a shell size of 14 and utilizes an aluminum alloy shell with green zinc standard or black zinc (RoHS) plating, combined with hard plastic insulation and silver-plated brass or copper alloy contacts. It accommodates a 7/8-20UNEF-2A coupling thread and is rated for Class A (solid endbell) construction. The connector supports service rating E with a test voltage of 3500 V RMS at 60 Hz, suggested operating voltages up to 1750 V DC or 1250 V AC, and maintains air spacing of 3/16 inches and creepage distance of 1/4 inch. This connector is widely used in military and aerospace applications where reliable, high-performance interconnection in confined spaces is required.