0.4900" first hole diameter 3.7470" overall length surface finish 30 microinches min, 25 microinches max; hole 0.4990 in. go, 0.5000 in. no go 17a split, plain, no outside flanges
2.1600" overall length boss, diameter 1.1094, width 0.0625, on right side of flange; bore 0.6230 in. go, 0.6250 in. no go 22c solid, external flange one end
0.2500" first hole diameter 2.4380" overall length centrally located relief on inside surface-0.031 in. deep x 0.875 in. long x 360 deg 17c solid, plain, no outside flanges