MS21133 (NOTICE 1), MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, STEEL, 180 KSI FTU, 450 DEG. F, FLANGED, MS33787 WRENCHING ELEMENT (30 JUN 1989) [SUPERSEDED BY NASM21133]

MS21133 (NOTICE 1), MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, STEEL, 180 KSI FTU, 450 DEG. F, FLANGED, MS33787 WRENCHING ELEMENT (30 JUN 1989) [SUPERSEDED BY NASM21133].