MS21042K, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, 450 DEG. F, REDUCED HEXAGON, REDUCED HEIGHT, RING BASE, NON-CORROSION RESISTANT STEEL (30 NOV 1988) [S/S BY NASM21042]

MS21042K, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, 450 DEG. F, REDUCED HEXAGON, REDUCED HEIGHT, RING BASE, NON-CORROSION RESISTANT STEEL (30 NOV 1988) [S/S BY NASM21042].