National Stock Number
5310-01-213-6681
National Stock Number (NSN) 5310-01-213-6681, or NIIN 012136681, (nut,plain,slotted,hexagon) has an unknown assigned date. NIIN 012136681 was cancelled on June 2, 1993, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310010249749. 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012136681 does not contain precious metals.
This information was last updated on Aug 01, 2025.