National Stock Number
5310-00-163-9416
National Stock Number (NSN) 5310-00-163-9416, or NIIN 001639416, (nut,self-locking,extended washer,double hexagon) was assigned February 7, 1973 in the Federal Logistics Information System (FLIS). NIIN 001639416 was cancelled on February 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310010580176. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 29729. [A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310001639416 contains silver.
This information was last updated on Aug 01, 2025.