MS16228A, MILITARY STANDARD: NUT, SELF-LOCKING, HEXAGON-THIN, UNC 3B (NON METALLIC INSERT) AUSTENITIC CORROSION RESISTANT STEEL, NONMAGNETIC, 250 DEG. F (04 OCT 1968) [SUPERSEDED BY NASM16228]

MS16228A, MILITARY STANDARD: NUT, SELF-LOCKING, HEXAGON-THIN, UNC 3B (NON METALLIC INSERT) AUSTENITIC CORROSION RESISTANT STEEL, NONMAGNETIC, 250 DEG. F (04 OCT 1968) [SUPERSEDED BY NASM16228].