0.5625" hole diameter 1.250" outside diameter 0.125" material thickness 0.031 in. by 45 deg chamfer on inside edge of 0.796 in. shoulder dia shouldered
0.256" hole diameter 0.665" outside diameter 0.036" material thickness edges on outer dia rounded per radius must be tangent passivate surface treated shouldered
1.250" hole diameter 3.745" outside diameter 0.232" material thickness navy special project od edge opposite shoulder chamfered 20 degrees by 0.375 in. 0.070 in. dia hole, thru shoulder od to washer id, 3 grooves on washer face, 0.062 in. wide by 0.016 in. deep, 1.563 in. dia, 2.062 in. dia, 2.563 in. dia shouldered