National Stock Number (NSN) 5310-01-333-5509, or NIIN 013335509, (nut,clip-on) was assigned February 6, 1991 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A624V526P, SPE4A624V347V, SPE4A624V092M, SPE4A623V139U, SPE4A623V060Y. The total value of the awarded contracts has been US$ 466.74.
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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. 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 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 5310013335509 does not contain precious metals.
This NSN is associated to Schedule B 7318160000: nuts of iron or steel. 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.