Cover material, steel mil-a-12560 grade i, guard material, steel, qq-s-640 and qq-s-698, surface finish data, enameled tt-e-529, dim. Data, cover, 14.875 in. Lg, 9.875 in. O/a w, 0.750 in. Thk, guard data, material 0.125 in. Thk, 9.000 in. H, 5.000 in. W, 3.000 in. Radius of bend