1.5625" overall length half flange 1.9062 in. radius, 0.6250 in. lg by 3.2500 in. min 3.2530 in. max dia counterbore left end, .5625 in. lg by 2.5310 in. dia counterbore right end
0.7500" overall length 4outside grooves spaced 90 deg apart on outside flange face, flange rim flange 0.8750 in. from centerline 22c solid, external flange one end