National Stock Number (NSN) 5310-00-082-1888, or NIIN 000821888, (washer,spring tension) was assigned January 1, 1963 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.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 67 contracts issued for this part number, with 67 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L125FAG0M, SPE7L125FA6KL, SPE7L125FA3AJ, SPE7L125FA30Q, SPE7L124FAEXZ. The total value of the awarded contracts has been US$ 7,385.05.
This NSN is very common among different weapons systems, belonging to 26 different platforms.
The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,960. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 21, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15938. [A BENT SPRING METAL WASHER WITH A CENTRALLY LOCATED HOLE. IT IS DESIGNED TO EXERT PRESSURE AXIALLY WHEN ASSEMBLED IN PLACE.]. 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 5310000821888 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.