Tcres, qq-s-763 cl 410 cond h, chromium-plated qq-c-320 cl 1 type 2 o/adim., 0.942 in. Min, 0.945 in. Max straight knurled od, 0.148 in. Min, 0.150 in. Max thick, rectangular centeropening, 0.683 in. Min, 0.693 in. Max lg, 0.468 in. Min, 0.473 in. Max w, 0.125in. Nom corner radius, one hole 0.062 in. Min, 0.065 in. Max diameter drilled thruon vertical centerline 0.375 in. From horizontal centerline at 20 degrees angle, max surface finish, washer left and right faces, center opening lg and w 63microinches aa