6steel, carbon, spec qq-s-698, finish clean per specification tt-c-480, pretreatment type 1 specification tt-c-490, prime per specification tt-p-636, tt-p-664, enamel od per specification tt-e-529 or tt-e-485, 4 holes 0.219 in. Approx dia, 1.000 in. Approx h; 8.953 in. O/a lg; 0.0598 in. Thk