MS3112E8-3S is a box mounting receptacle connector designed for MIL-C-26482 Series 1 bayonet coupling applications with solder contacts. This connector features an open wire seal (Class "E") configuration that provides environmental resistance through a multi-hole grommet and clamping nut for moisture proofing of individual open wires. The connector is available in shell size 8 with a front contact diameter of 0.594 inches and supports standard solder termination assemblies. It is commonly used in aerospace, military, and industrial applications where reliable environmental sealing and secure bayonet coupling are required for interconnecting equipment in harsh operating conditions.