Aluminum alloy, qq-a-200/8, composition 6061 or aluminum alloy, qq-a-225/8, composition 6061, temper-t6 or t651 or aluminum alloy, qq-a-250/11, composition 6061, temper-t6 or t651, 2.370 in. O/a lg, 1.185 in. O/a h, 0.560 in. O/a w, 125 aa finish/arithmetic average/o/a
