National Stock Number (NSN) 5310-01-122-0953, or NIIN 011220953, (push on nut) was assigned November 14, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5310016336609, 5340011286187.
There are 17 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 19 suppliers. Today, 15 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 12 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 15 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 16, 2018. There have been 2 contracts issued for this part number, with 2 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: SPE5E319V2221, SPE5E319V2221, SPM5A710V0020, SPM5A710V0020. The total value of the awarded contracts has been US$ 2,861.46.
This NSN is very common among different weapons systems, belonging to 123 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 12, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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.]. 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 5310011220953 does not contain precious metals.
This NSN is associated to Schedule B 7307290000: stainless steel tube or pipe fittings nesoi. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on May 01, 2025.