The MS3126F22-55PX from Amphenol Industrial Operations is cable mount circular connector (MIL-DTL-26482 Series I), plug with male pins, 55 position, shell size-insert 22-55 and solder cup termination. This is connector with bayonet lock fastening, orientation X and environmental (no clamp) endbell. The MS3126F22-55PX has copper alloy contacts with gold finish, neoprene insert and aluminum shell with olive drab cadmium finish. Operating temperature range is from -55°C to 125°C.