The MS3106E10SL-4S is a 2-contact Circular Connector with silver-plated contacts, straight plug, 10SL-4 insert arrangement, socket contact (female). This connector represents well-proven electrical capability at an acceptable cost for most equipment where durability is important. MIL-C-5015 features threaded coupling, single key and keyway polarization representing maximum simplicity in design. Suitable for industrial machines, military ground support equipment, ordnance and shipboard installation.