MS51971B (NOTICE 1), MILITARY STANDARD: NUT, PLAIN, HEXAGON-STEEL, CORROSION RESISTING, 300 SERIES, PASSIVATED, UNC-2B (03 FEB 2000)

MS51971B (NOTICE 1), MILITARY STANDARD: NUT, PLAIN, HEXAGON-STEEL, CORROSION RESISTING, 300 SERIES, PASSIVATED, UNC-2B (03 FEB 2000)., This notice should be filed in front of MS51971B dated 20-FEBRUARY-96. MS51971B is inactive for new design and is no longer used except for replacement purposes.