0.2500" first hole diameter 1.3750" overall length left end od surface of body releived 2.000 in. dia, flange od radius square shape 21c solid, external flange
3.1250" overall length end opposite external flange counterbored 4.3650 in. dia, 0.1880 in. deep 22c-1 solid, external flange one end, internal flange one end