Flange diameter 0.404 in.; o/a h 0.392 in.; flange h 0.048 to 0.050 in.; under flange diameter 0.381 to 0.385 in.; under flange taper lg 0.197 to 0.217 in.; unercut below flange 0.030 in. W, 0.355 to 0.365 in. Dia; seat angle 45 deg; id bore through 0.141 in; matl steel ams 5631, ams5630
