QQ-S-634A (AMENDMENT 1), FEDERAL SPECIFICATION, STEEL, BAR, CARBON, COLD-FINISHED, (STANDARD QUALITY) (6 DEC 1971) [S/S BY ASTMA 108]
QQ-S-634A (AMENDMENT 1), FEDERAL SPECIFICATION, STEEL, BAR, CARBON, COLD-FINISHED, (STANDARD QUALITY) (6 DEC 1971) [S/S BY ASTMA 108].