Aluminum alloy, alloy 2024, qq-a-225/6, t351; anodize, mil-a-8625, type 1; 4.060 in. Lg; 2.080 in. W; 1.055 in. Min, 1.058 in. Max h; 4 0.261 in. Nom diameter holes; 4 0.128 in. Min, 0.130 in. Max diameter holes; 2 0.120 in. Nom diameter holes; 1 0.1877 in. Min, 0.1880 in. Max diameter hole; one 0.6252 in. Min, 0.6257 in. Max diameter hole; irregular shape