National Stock Number
5310-01-006-8999
National Stock Number (NSN) 5310-01-006-8999, or NIIN 010068999, (nut,plain,castellated,hexagon) was assigned July 23, 1975 in the Federal Logistics Information System (FLIS). NIIN 010068999 was cancelled on April 2, 2007, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310001671288. 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 22 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) 01854. [A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES:NUT (1), PLAIN, SLOTTED, 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 5310010068999 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.