0.514" hole diameter 1.750" outside diameter 0.187" material thickness navy special project one bearing surface chamfered 0.125 in. by 45 deg cadmium surface treated 15 recessed
Used on mrap buffalo mk2a2. 0.382" hole diameter 0.683" outside diameter 0.094" material thickness certified free from mercury contamination cadmium surface treated split helical-right hand