0.3125" first hole diameter 1.6250" overall length inside dia counterbored right end, 3.0000 in. dia, 0.5000 in. deep 22c solid, external flange one end
0.8700" overall length inside dia flange end countersunk, 880 min to 920 max angle, 0.2400 in. min, 0.2600 in. max dia; outside dia right end reduced, 0.2500 in. min, 0.2700 in. max dia; 0.3800 in. long 22c solid, external flange one end