The PT07C-20-16P-023 from Amphenol Industrial Operations is panel mount circular connector (MIL-DTL-26482 Series I), jam nut receptacle with male pins, 16 position, shell size-insert 20-16 and solder cup termination. This is pressurized receptacle with bayonet lock fastening. The PT07C-20-16P-023 has copper alloy contacts with gold finish, neoprene insert and aluminum shell with electroless nickel (RoHS) finish. Operating temperature range is from -55°C to 125°C.