QQ-B-639B, FEDERAL SPECIFICATION, BRASS, NAVAL: FLAT PRODUCTS (PLATE, BAR, SHEET, AND STRIP) (18 OCT 1973)

QQ-B-639B, FEDERAL SPECIFICATION, BRASS, NAVAL: FLAT PRODUCTS (PLATE, BAR, SHEET, AND STRIP) (18 OCT 1973)., This specification covers four alloys of leaded and nonleaded naval brass flat products (bar, plate, sheet, and strip) with slit, slit and edge-rolled, sheared, sawed, or machined edges, but does not include flat products with finished edges.