National Stock Number (NSN) 5310-01-312-5928, or NIIN 013125928, (nut,clip-on) was assigned December 19, 1989 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 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers 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 Jan 12, 2017. There have been 5 contracts issued for this part number, with 25 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5EY14D0521, SPE5EY14D0521, SPE5EY14D0521, SPE5EY14D0521, SPE5EY14D0521. The total value of the awarded contracts has been US$ 1,464,842.27.
This NSN is somewhat common among different platforms, belonging to 7 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 19, 2010, 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) 35871. [AN INTERNALLY THREADED FASTENER, PLAIN OR SELF-LOCKING, OF VARIOUS SHAPES ATTACHED TO A PREFORMED ITEM OF SEMI-RIGID MATERIAL DESIGNED TO RETAIN, POSITION OR SUPPORT OTHER ITEMS BY ITS OWN INHERENT SPRING ACTION. THE INTERNALLY THREADED FASTENER AND THE PREFORMED ITEM MAY BE OF ONE PIECE CONSTRUCTION OR FASTENED TOGETHER BY OTHER MEANS.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310013125928 does not contain precious metals.
This NSN is associated to Schedule B 7508900000: other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.
This information was last updated on Aug 01, 2025.