National Stock Number
5310-00-297-3243
National Stock Number (NSN) 5310-00-297-3243, or NIIN 002973243, (nut,plain,castellated,hexagon) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002973243 was cancelled on July 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310009980608. This NSN replaces 2 stock numbers: 5310002088378, 5310002088379.
There are no manufacturer part numbers associated to 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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310002973243 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.