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

QQ-A-601F (NOTICE 1), FEDERAL SPECIFICATION: ALUMINUM ALLOY SAND CASTINGS (04 AUG 1989) [S/S BY ASTM-B26/B26M]., QQ-A-601F, dated 23 March 1981, and Amendment 1, dated 3 May 1984, have been reviewed and determined to be valid for use in acquisition.