National Stock Number
5310-00-426-0809
National Stock Number (NSN) 5310-00-426-0809, or NIIN 004260809, (nut,plain,slotted,hexagon) was assigned April 28, 1971 in the Federal Logistics Information System (FLIS). NIIN 004260809 was cancelled on June 2, 2006, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310006559859. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. 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 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 5310004260809 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.