0.328" hole diameter 0.568" outside diameter 0.027" material thickness one internal flat key located at 90 deg angle to external keys 0.114 in. min, 0.11l in. max width, 0.118 in. min, 0.123 in. max lg key
1.000" hole diameter 1.250" outside diameter 0.054" material thickness washer bent to an height of 0.076in. min, 0.104 in. max phosphate surface treated key
0.695" hole diameter 1.080" outside diameter 0.058" material thickness inside dia has flat surface with round top edges, 0.020 in. min, 0.040 in. max high parallel to outside edge of key; 0.275 in. min, 0.285 in. max flat to center distance
0.781" hole diameter 1.125" outside diameter 0.062" material thickness no internal key; 2 projections equally spaced on washer face, 0.094 in. wide by 0.031 in. high; 64 equally spaced serrations on face opposite projections cadmium surface treated internal prebent key
