0.150" hole diameter 0.500" outside diameter 0.060" material thickness navy special project one side countersunk 90deg, 0.320 in. dia anodize surface treated
1.570" hole diameter 2.750" outside diameter 0.075" material thickness none internal key 0.240 in. min 0.245 in. max w, 0.117 in. lg, located 60 deg from center of a keyway to center of internal key
0.440" hole diameter 1.416" outside diameter 0.020" material thickness 0.047 in. by 0.188 in. lg slot 0.047 in. from end of washer on top of keyway cadmium surface treated