National Stock Number
5310-15-117-9532
National Stock Number (NSN) 5310-15-117-9532, or NIIN 151179532, (washer,convex) has an unknown assigned date. This NSN replaces 1 stock number, 5310150685621.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 Nov 09, 2018. There have been 9 contracts issued for this part number, with 9 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE5E719V0925, SPE5E719V0366, SPE5E718P3564, SPE5E718P2156, SPE5E717P4457. The total value of the awarded contracts has been US$ 9,777.68.
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.
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 information was last updated on Jun 27, 2025.