QQ-C-450A (AMENDMENT 2), FEDERAL SPECIFICATION: COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE) PLATE, SHEET, STRIP, AND BAR (COPPER ALLOY NUMBERS 606, 610, 613, 614, AND 630) (06 AUG 2002)

QQ-C-450A (AMENDMENT 2), FEDERAL SPECIFICATION: COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE) PLATE, SHEET, STRIP, AND BAR (COPPER ALLOY NUMBERS 606, 610, 613, 614, AND 630) (06 AUG 2002)., The General Services Administration has authorized the use of this amendment, which forms a part of QQ-C-450A, dated 17 September 1974 by all federal agencies.