0.2500" first hole diameter 2.3438" overall length tapered bore from inside flange right face to right id corner; id of external flange counterbored; 1/4in-20 unc-3a threads in antirotation holes, equally spaced on 2.1875 in. dia bolt circle, left face 22c-1 solid, external flange one end, internal flange one end
0.3800" overall length circumferential groove around right face of flange, 0.070 in. deep, 0.940 in. dia; cbore 0.730 in. dia, 0.070 in. deep, left face of body 22c solid, external flange one end