National Stock Number
5310-00-011-1041
National Stock Number (NSN) 5310-00-011-1041, or NIIN 000111041, (washer,lock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 5310002761219, 5310009821223, 5310005957256, 5310008643386, 5310008643388.
There are 12 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 14 suppliers. Today, 11 suppliers are listed as Active suppliers 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, with the most recent procurement date of Nov 05, 2013. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A414M0249. The total value of the awarded contracts has been US$ 75.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 14218. [A WASHER, USUALLY ROUND, WITH A CENTRALLY-LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE DESIGNED IN SUCH A WAY THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE THAT MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES.]. 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 5310000111041 contains an unknown precious metal.
This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, 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 Aug 01, 2025.