1.813" hole diameter 2.296" outside diameter 0.125" material thickness 0.059 in. min, 0.062 in. max dia hole located 0.090 in. from end of each external key key
1.200" hole diameter 1.380" outside diameter 0.046" material thickness washer bent to an height of 0.076 in. min, 0.104 in. max phosphate surface treated key