MS21043D, MILITARY STANDARD: NUT, SELF-LOCKING, 800 DEG. F, REDUCED HEXAGON, REDUCED HEIGHT, RING BASE, CORROSION RESISTANT STEEL (27 SEP 1985) [SUPERSEDED BY NASM21043]

MS21043D, MILITARY STANDARD: NUT, SELF-LOCKING, 800 DEG. F, REDUCED HEXAGON, REDUCED HEIGHT, RING BASE, CORROSION RESISTANT STEEL (27 SEP 1985) [SUPERSEDED BY NASM21043].