0.252" hole diameter 0.531" outside diameter 0.078" material thickness navy special project d shape periphery 0.205 in. from center line to flat surface cadmium surface treated 15 recessed
0.386" hole diameter 1.000" outside diameter 0.220" material thickness chamfer top outside edge 0.06 in. by 40 deg min 50 deg max anodize surface treated 15 recessed
0.755" hole diameter 1.447" outside diameter 0.050" material thickness one internal key 0.234 wide by 0.125 in length prebent on a 0.031 radius recessed
1.380" hole diameter 1.930" outside diameter 0.060" material thickness 2 lugs 0.210 in. w by 0.186 to 0.190 in. high on flat unbroken side of washer, located opposite to each other recessed