QQ-A-601F (AMENDMENT 1), FEDERAL SPECIFICATION: ALUMINUM ALLOY SAND CASTINGS (04 AUG 1989) [S/S BY ASTM-B26/B26M]

QQ-A-601F (AMENDMENT 1), FEDERAL SPECIFICATION: ALUMINUM ALLOY SAND CASTINGS (04 AUG 1989) [S/S BY ASTM-B26/B26M]., This amendment, which ferns a part of Federal Specification QQ-A-601F dated March 23, 1981, was approved by the Assistant Administrator, Federal Supply and Services, General Services Administration, for the use of all Federal agencies.