QQ-B-728, FEDERAL SPECIFICATION: BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATES) (06-DEC-1961) [S/S by ASTM-B138]

QQ-B-728, FEDERAL SPECIFICATION: BRONZE MANGANESE; ROD, SHAPES, FORGINGS, AND FLAT PRODUCTS (FLAT WIRE, STRIP, SHEET, BAR, AND PLATES) (06-DEC-1961) [S/S by ASTM-B138]., This specification covers wrought manganese bronze which may be used where superior strength and corrosion resistance is required such as valve stems, propeller-blade bolts, air pumps, condenser bolts, gears, bearings, and similar items and may be used in lieu of Naval brass where higher strength is required.