1.499 in. Dia, 0.125 in. Thk; 3 holes, 0.096 diameter through 0.156 in. Diameter c bore 0.062 in. Dp opp side, equally spaced on 1.188 dbc; 3 holes, 0.156 in. Diameter thru, equally spaced on 1.188 in. Dbc; center hole diameter 0.281 diameter thru, 0.5000 c bore to 0.062 in.; cres 303 per qq-a-225/8