Square Flange Receptacle - Pin - DTS 21C 21 Size 16 D - Olive Drab Cadmium (500 - hr. Salt Spray) - 21 Position - 1 port - Male - Circular - Straight - Flange Mount - CRIMP - Copper Alloy Contact Material - 23 Shell Size - 13 A - ( - 65 to +175)