National Stock Number
5310-00-839-1641
National Stock Number (NSN) 5310-00-839-1641, or NIIN 008391641, (nut,plain,slotted,hexagon) was assigned December 21, 1966 in the Federal Logistics Information System (FLIS). NIIN 008391641 was cancelled on March 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310009325582. 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 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.
This NSN is assigned to Item Name Code (INC) 01859. [A NUT HAVING A FLAT BEARING SURFACE AND 6 FLAT SIDES WITH SLOTS IN ITS UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES:NUT (1), PLAIN, CASTELLATED, HEXAGON.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310008391641 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.