National Stock Number
5310-00-752-1597
National Stock Number (NSN) 5310-00-752-1597, or NIIN 007521597, (nut,plain,slotted,hexagon) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 007521597 was cancelled on July 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310008352140. This NSN replaces 1 stock number, 5310000427646.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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) 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 5310007521597 does not contain precious metals.
This information was last updated on Aug 01, 2025.