MS21086B, MILITARY STANDARD: NUT, SELF-LOCKING, PLATE, SIDE BY SIDE, REDUCED RIVET SPACING, LOW HEIGHT, STEEL, 125 KSI FTU, 450 DEG. F (30 SEP 1987) [SUPERSEDED BY NASM21086]

MS21086B, MILITARY STANDARD: NUT, SELF-LOCKING, PLATE, SIDE BY SIDE, REDUCED RIVET SPACING, LOW HEIGHT, STEEL, 125 KSI FTU, 450 DEG. F (30 SEP 1987) [SUPERSEDED BY NASM21086].