National Stock Number
5310-01-122-5487
National Stock Number (NSN) 5310-01-122-5487, or NIIN 011225487, (washer,spring tension) has an unknown assigned date. NIIN 011225487 was cancelled on August 10, 1991, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310010564227. 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) 15938. [A BENT SPRING METAL WASHER WITH A CENTRALLY LOCATED HOLE. IT IS DESIGNED TO EXERT PRESSURE AXIALLY WHEN ASSEMBLED IN PLACE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011225487 does not contain precious metals.
This information was last updated on Aug 01, 2025.