QQ-C-390B (NOTICE 1), FEDERAL SPECIFICATION: COPPER ALLOY CASTINGS (INCLUDING CAST BAR) (24-JAN-1989) [S/S BY ASTM, B22, B30, B61, B62, B66, B67, B148, B176, B271, B369, B427, B505, B584, B763, B770, B806, & SAE-AMS4842, AMS4845, AMS4855, AMS4860

QQ-C-390B (NOTICE 1), FEDERAL SPECIFICATION: COPPER ALLOY CASTINGS (INCLUDING CAST BAR) (24-JAN-1989) [S/S BY ASTM, B22, B30, B61, B62, B66, B67, B148, B176, B271, B369, B427, B505, B584, B763, B770, B806, & SAE-AMS4842, AMS4845, AMS4855, AMS4860, AMS4862, AMS4890].