The 71-148214-18S from Amphenol IO is box mount circular connector (MIL-DTL-26482 Series I), receptacle with female sockets, 18 position, shell size-insert 14-18 and solder cup termination. This is connector with bayonet lock fastening and environmental (no clamp) endbell. The 71-148214-18S 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.