National Stock Number
5310-01-663-4088
National Stock Number (NSN) 5310-01-663-4088, or NIIN 016634088, (nut,self-locking,hexagon) was assigned May 9, 2017 in the Federal Logistics Information System (FLIS). NIIN 016634088 was cancelled on December 2, 2017, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310014754084. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 05277. [A NUT HAVING A FLAT BOTTOM AND 6 SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES:NUT (1), SELF-LOCKING, CAP.]. 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 5310016634088 does not contain precious metals.
This information was last updated on Jun 01, 2025.