0.251" hole diameter 0.528" outside diameter 0.033" material thickness chamfer one edge of od 40 deg min to 50 deg max, 0.010 in. min to 0.020 in. max lg shouldered
0.375" hole diameter 1.370" outside diameter 0.061" material thickness one hole 0.1406 in. dia located on flange, one hole 0.1695 in. dia located on flange, two holes 0.055 in. dia located on flange, two holes 0.164-32 unc 2b located on flange, holes are equally spaced at 60 deg, like holes are opposite each other oxide surface treated shouldered