Bar stock ams6265 or tubing ams6260, cadmium plated outside, 3.32 in.Lg, 2.6193 in. Min, 2.6198 in. Max id, one 0.343 in. Diameter and two 0.501 in.Min, 0.503 in. Max diameter mtg holes in left end flanges, one 0.18 in. Diameter holeadjacent to mtg hole top of flange left end, three 0.343 in. Diameter mtg holesright end flanges, mtg holes spaced 3.568 in. By 3.09 in. On 4.80 in. Boltcircle diameter both ends 0.68 in. W flanges both ends, mtg holes both ends tobe within 1 degree