National Stock Number
5310-01-331-2027
National Stock Number (NSN) 5310-01-331-2027, or NIIN 013312027, (nut,sheet spring) was assigned December 14, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 01865. [A NUT FORMED FROM SHEET SPRING MATERIAL, USUALLY STEEL, INTO VARYING FLAT, CONCAVE, BENT OR CURVED DESIGNS, HAVING APERTURES WITH SUITABLE BOSS OR BOSSES USUALLY ON THE UPPER SIDE CAPABLE OF SECURELY GRIPPING A MATING THREADED MEMBER. EXCLUDES:NUT (1), STAMPED.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310013312027 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.