National Stock Number
5310-01-252-2999
National Stock Number (NSN) 5310-01-252-2999, or NIIN 012522999, (nut,self-locking,assembled washer) was assigned April 1, 1987 in the Federal Logistics Information System (FLIS). NIIN 012522999 was cancelled on April 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310011520598. 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.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 29736. [A NUT ON WHICH HAS BEEN ASSEMBLED A NONREMOVABLE WASHER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012522999 does not contain precious metals.
This information was last updated on Aug 01, 2025.