QQ-S-764B (AMENDMENT 2), FEDERAL SPECIFICATION: STEEL BAR, CORROSION RESISTING, FREE MACHINING (16 NOV 1970) [S/S BY ASTM A484 & ASTM A582]
QQ-S-764B (AMENDMENT 2), FEDERAL SPECIFICATION: STEEL BAR, CORROSION RESISTING, FREE MACHINING (16 NOV 1970) [S/S BY ASTM A484 & ASTM A582].