The MS3106F14S-2P is a 4-contact Circular Connector with hard silver-plated copper alloy contacts and olive drab chromate coating over cadmium plated aluminum alloy shell. The MIL-C-5015 series (VG95234) 045272-0003 cable mount straight plug features solder termination, endbell style with cable clamp and neoprene insulator and grommet. It has an O-ring under the coupling nut.