MS172321 THRU MS172370 (REV. B) (NOTICE 1), MILITARY STANDARD: NUT - SPANNER, AERONAUTICAL (01 FEB 1996) [S/S BY SAE-AS172321 THRU AS172370]
MS172321 THRU MS172370 (REV. B) (NOTICE 1), MILITARY STANDARD: NUT - SPANNER, AERONAUTICAL (01 FEB 1996) [S/S BY SAE-AS172321 THRU AS172370].