MIL-STD-409 Complete Document History
ALLOY NOMENCLATURE and TEMPER DESIGNATION SYSTEM FOR MAGNESIUM BASE ALLOYS

Complete Current Edition:
   REVISION A - REDESIGNATED AS MIL-HDBK-305 - Dec. 5, 1966

Obsolete Revision Information:
   REV A CANCELLATION 2 - CANCELLATION NOTICE 2, REV A - July 18, 1996
   REV A VALIDATION 1 - VALIDATION NOTICE 1, REV A - Oct. 4, 1989