Aluminumalloy, qq-a-225/9, alloy 7075, t651; 2.900 in. Lg; 2.410 in. W; 2.600 in. H; w/one 2.000 in. Lg, 1.150 in. W cutout; two 0.372 in. Diameter holes in line; two 0.500 in. Lg, 0.380 in. W slots in line; one 1.257 in. Diameter hole; one 0.584 in. Diameter x 45.0 degrees countersunk hole