National Stock Number
5310-01-228-1409
National Stock Number (NSN) 5310-01-228-1409, or NIIN 012281409, (nut,self-locking,extended washer,hexagon) has an unknown assigned date. NIIN 012281409 was cancelled on December 2, 1991, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310011605719. 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) 29730. [A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012281409 does not contain precious metals.
This information was last updated on Apr 01, 2025.