National Stock Number
5310-00-457-6866
National Stock Number (NSN) 5310-00-457-6866, or NIIN 004576866, (washer,finishing) was assigned May 7, 1969 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. 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, with the most recent procurement date of Nov 06, 2015. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5E816V0942, SPE5E816V0942, SPE5E815V1986, SPM5A710M1973. The total value of the awarded contracts has been US$ 1,375.20.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 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) 15932. [A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.]. 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 5310004576866 contains an unknown precious metal.
This NSN is associated to Schedule B 7415210000: copper washers including spring washers not threaded. 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 Aug 01, 2025.