Matl aluminum alloy plate 2024-t4 per qq-a-250/4; finish chem film class 1a, per mil-c-5541; 0.750 in. O/a lg, 0.750 in. O/a w, 0.137 in. O/a h; two 0.096 in. Diameter holes in diagonal corners on 0.800 in. Dia; one 0.126 in. Diameter hole centrally located, 0.075 in. O/a lg, 0.313 in. O/a counterbore dia, 0.062 in. O/a counterbore lg
