11. Navy Department specifications. 48S5g. Steel, plate, hull and ordnance, structural, black (uncoated) and zinc-coated (galvanized), amdt. 2; Apr. 19, 1950. Bookmark Corporate/Agency Authors: Supplies and Accounts Bureau (Navy) and Defense Dept. Publisher: Supplies and Accounts Bureau (Navy) Date: [1950.] SuDoc number: M 213.7:48 S 5 g/amdt.2