National Stock Number
5310-01-221-1758
National Stock Number (NSN) 5310-01-221-1758, or NIIN 012211758, (push on nut) was assigned November 25, 1985 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, one supplier is listed as an Active supplier 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 Jul 10, 2010. 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: SPM5A110V5116. The total value of the awarded contracts has been US$ 27.60.
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) 05281. [AN ITEM FORMED FROM SHEET SPRING MATERIAL INTO VARYING FLAT, CONCAVE, CURVED, OR NUTLIKE DESIGN. IT HAS AN APERTURE WITH AN ELLIPTICAL-SHAPED HOLE OR SUITABLE LUGS OR PRONGS DESIGNED TO RETAIN THREADED OR UNTHREADED STUD LIKE PROJECTING MEMEBERS. WHEN PUSHED ON, IT GRIPS BY IMBEDDING INTO THE MATERIAL OF THE PROJECTING MEMEBERS, AND DOES NOT MATE WITH A THREAD HELIX. SEE ALSO RING, RETAINING.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012211758 does not contain precious metals.
This information was last updated on Aug 01, 2025.