National Stock Number
5310-00-055-4939
National Stock Number (NSN) 5310-00-055-4939, or NIIN 000554939, (nut,self-locking,plate) was assigned May 25, 1967 in the Federal Logistics Information System (FLIS). NIIN 000554939 was cancelled on October 2, 2015, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310007647275. 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 07, 2014. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE5E114V0876, SPM5E713M4016, SPM5E413M2247, SPM5E412V0344, SPM8ES12M0152. The total value of the awarded contracts has been US$ 3,735.09.
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 Feb 07, 2020, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 5310000554939 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.