Aluminum alloy, composition 2024, temper t3 per qq-a-250/5, laquerfinish, 17.50 in. Lg, 1.67 in. W, 0.020 in. Thk, fourteen 0.125 in. Diameter thruholes, 7 each side 1.37 in. Apart at ends, 2 holes left end 0.30 in.From end, 2 holes right end 0.40 in. From end, 1 slot right end 1.85 in.Lg 0.50 in. W 0.53 in. From end
