National Stock Number (NSN) 5310-01-149-5775, or NIIN 011495775, (nut,plain,castellated,hexagon) was assigned March 22, 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 a year. There have been 33 contracts issued for this part number, with 45 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A224F6228, SPE4A224F6228, SPE4A224F6228, SPE4A224F6228, SPE4A224F6228. The total value of the awarded contracts has been US$ 2,040,991.40.
This NSN is somewhat common among different platforms, belonging to 2 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 Nov 06, 2019, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 01854. [A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES:NUT (1), PLAIN, SLOTTED, HEXAGON.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011495775 does not contain precious metals.
This information was last updated on Jul 01, 2025.