Steel, qq&s&764, type 303se, condition b or steel, qq&s&766, class 302 or 304 condition a, finish no. 1, finish per paragraph 5.1.2.3 mil&std&808, 1.688 in. Od, 1.094 in. Id, 0.250 in. Thk, three no. 4-0.112 in.-&40 unc&2b thd holes spaced 120 degrees apart on 1.468 in. Bolt circle dia, three 0.040 in. Diameter by 0.297 in. Deep through holes on thickness plane spaced 120 degrees apart and located 60 degrees from thd holes, one no. 4-0.112 in.-&40 unc&2b by 0.297 in. Deep through hole on thickness plane located 30 degrees between unthd and thd holes, 63 aa microinch surface finish on id
