0.2500" first hole diameter 2.2500" overall length holes equally spaced on 4.1250 in. bolt circle dia, holes countersunk for 0.2500 in. flat head machine screw 22c solid, external flange one end
0.4800" overall length outer pripheral of flange flattened on two sides, 1.0000 in. w across flats cadmium surface treated 22c solid, external flange one end