National Stock Number
5310-01-203-5149
National Stock Number (NSN) 5310-01-203-5149, or NIIN 012035149, (push on nut) was assigned March 15, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5365012144908, 5310012839217, 5310000300580.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 17 different platforms.
There has been very little 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 Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 5310012035149 contains an unknown precious metal.
This NSN is associated to Schedule B 7318190000: threaded articles of iron or steel nesoi (not bolts, nuts or screws). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Jul 01, 2025.