National Stock Number
5310-01-056-7257
National Stock Number (NSN) 5310-01-056-7257, or NIIN 010567257, (nut,stamped) was assigned February 28, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 05279. [A NUT FORMED FROM SHEET SPRING MATERIAL, USUALLY STEEL, INTO VARIOUS SHAPES, HAVING THE EXTERNAL APPEARANCE OF A SOLID NUT, AND HAVING AN APERTURE WITH SUITABLE BOSSES, LUGS, NOTCHES, AND/OR SLITS CAPABLE OF SECURELY GRIPPING A MATING THREADED MEMBER. SEE ALSO NUT (1), SHEET SPRING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310010567257 contains an unknown precious metal.
This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on May 01, 2025.