Steel ams 6382 or steel ams 6324, chrome plate o/a, 3.906 in. O/a lg, 3.287 in. Lg body, 1.25 in. O/a h, 0.75 in. H body, 0.625 in. W, 0.312-24 unf 3a thread by 0.619 in. Lg shank 1st end, 0.265 in. Diameter holethrough vertical lug 2nd end, two 0.250-28 unf thd mtg holes spaced 1.245in. Ctr to ctr