The PT02E-18-11P(027) from Amphenol Industrial Operations is box mount circular connector (MIL-DTL-26482 Series I), receptacle with male pins, 11 position, shell size-insert 18-11 and solder cup termination. This is connector with bayonet lock fastening and environmental (no clamp) endbell. The PT02E-18-11P(027) has copper alloy contacts with gold finish, neoprene insert and aluminum shell with conductive black alloy (RoHS) finish. Operating temperature range is from -55°C to 125°C.