0.640" hole diameter 1.480" outside diameter 0.178" material thickness chamfer top one side 0.040 in.min 0.070 in.max by 40 degrees min.50 degrees max cadmium surface treated 15 recessed
0.514" hole diameter 1.550" outside diameter 0.187" material thickness navy special project top surface chamfered 0.025 in. cadmium surface treated 15 recessed
0.514" hole diameter 1.550" outside diameter 0.270" material thickness navy special project top surface chamfered 0.200 in. by 45 deg cadmium surface treated 15 recessed