MIL-A-87221 (NOTICE 1), MILITARY SPECIFICATION: AIRCRAFT STRUCTURES, GENERAL SPECIFICATION FOR (8 JUN 1990) [S/S by AFGS-87221]
MIL-A-87221 (NOTICE 1), MILITARY SPECIFICATION: AIRCRAFT STRUCTURES, GENERAL SPECIFICATION FOR (8 JUN 1990) [S/S by AFGS-87221]. ML-A-87221, dated 28 February 1985, is hereby canceled. Future acquisitions should
refer to AFGS-87221A.