National Stock Number
5310-00-402-5721
National Stock Number (NSN) 5310-00-402-5721, or NIIN 004025721, (nut,plain,slotted,hexagon) was assigned April 15, 1970 in the Federal Logistics Information System (FLIS). NIIN 004025721 was cancelled on February 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310008412041. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has a strong supply network for this NSN, with 15 sources of supply.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
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 5310004025721 does not contain precious metals.
This information was last updated on Apr 01, 2024.