National Stock Number
5310-00-110-2927
National Stock Number (NSN) 5310-00-110-2927, or NIIN 001102927, (washer,convex) was assigned August 16, 1968 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 07, 2011. There has been one contract issued for this part number, with 13 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM5AZ09D0003, SPM5AZ09D0003, SPM5AZ09D0003, SPM5AZ09D0003, SPM5AZ09D0003. The total value of the awarded contracts has been US$ 11,780.20.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15931. [A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RAISED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONCAVE. EXCLUDES:BEARING, WASHER THRUST.]. 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 5310001102927 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.