The MS3112E14-5S is a miniature cylindrical box mounting receptacle connector designed for solder termination applications in accordance with MIL-C-26482, Series 1 specifications. This connector features a bayonet coupling mechanism with shell size 14 and accommodates 5 contacts in a 14-5 insert arrangement configuration. The receptacle is available in multiple termination classes including general duty (Class A), open wire seal (Class E), potting boot (Class P), and cable seal (Class W/J) options, with optional strain relief variants. The connector supports solder contact termination and is designed for box mounting applications with robust mechanical and electrical performance suitable for aerospace, military, and industrial environments requiring reliable interconnection in harsh operating conditions.