MS21133A, MILITARY STANDARD: NUT, SELF-LOCKING, STEEL, 180 KSI FTU, 450 DEG. F, FLANGED, MS33787 WRENCHING ELEMENT (21 JUL 1991) [SUPERSEDED BY NASM21133]
MS21133A, MILITARY STANDARD: NUT, SELF-LOCKING, STEEL, 180 KSI FTU, 450 DEG. F, FLANGED, MS33787 WRENCHING ELEMENT (21 JUL 1991) [SUPERSEDED BY NASM21133].