QQ-M-40B (NOTICE-1), FEDERAL SPECIFICATION: MAGNESIUM ALLOY FORGINGS (06-AUG-1993) [S/S BY ASTM-B91 AND ASTM-B661].

QQ-M-40B (NOTICE-1), FEDERAL SPECIFICATION: MAGNESIUM ALLOY FORGINGS (06-AUG-1993) [S/S BY ASTM-B91 AND ASTM-B661]., QQ-M-40b, dated November 22, 1963 along with Amendment 1, dated April 13, 1966, is hereby cancelled. Future procurements for this material should refer to the appropriate portions of ASTM B51, Magnesium-Alloy Forgings and ASTM B661, Heat Treatment of magnesium Alloys.