National Stock Number
5310-01-155-1895
National Stock Number (NSN) 5310-01-155-1895, or NIIN 011551895, (push on nut) was assigned June 6, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 5 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A625P6294, SPE5E817V9070, SPE5E817V1043, SPE5E817P0451, SPE5E817P0101. The total value of the awarded contracts has been US$ 442.94.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,440. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 13, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 5310011551895 does not contain precious metals.
This information was last updated on Jul 01, 2025.