Al, 5052 tem h32, 0.025 porm 0.002 thk, per qq-a-250/8; chem film type ii, grade c, class 3 per mil-c-5541 , then zinc chromate primer on edges and exterior surfaces per collins 580-0007-000; top 4.971 in. Nom lg, 2.112 in. Nom w, off-center aperture 1.312 in. Nom dia, two 0.128 porm 0.003 in. Diameter holes in opposite corners, one 0.156 in. Diameter hole; one hole in one side 0.130 in. Diameter csk 82 degrees porm 2 degrees to 0.165 in. Dia. 2.353 in. From bottom corner along lg, 0.615 in. Along w; spotwelded four places (two opposite sides)
