National Stock Number
5310-00-989-7773
National Stock Number (NSN) 5310-00-989-7773, or NIIN 009897773, (nut,self-locking,plate) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 009897773 was cancelled on November 2, 2012, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310007717396. This NSN replaces 3 stock numbers: 5310013302117, 5310008167868, 5310008809235.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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, with the most recent procurement date of Oct 03, 2012. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM5E813MQ005, SPM5A909MQ368, SPM5A909MQ368. The total value of the awarded contracts has been US$ 4,834.96.
This NSN is very common among different weapons systems, belonging to 66 different platforms.
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 Jun 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 05280. [A NUT WITH A FLANGED BASE OF VARIED SHAPES WHICH MAY BE PLAIN OR MOUNTED BY RIVETS, BOLTS, WELDING OR INTEGRAL PRONGS. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310009897773 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.