Board-to-board receptacle, 80 positions, 2.54 mm pitch
The 68683-340: Through-hole solder termination, push-pull fastening.
Construction and materials
Housing is black polyphenylene sulfide (PPS), glass filled, rated UL94 V-0. Insulation height is 0.276" (7.00 mm); post length is 0.115" (2.92 mm).