National Stock Number
5310-00-255-4721
National Stock Number (NSN) 5310-00-255-4721, or NIIN 002554721, (washer,spring tension) has an unknown assigned date. NIIN 002554721 was cancelled on May 25, 1997, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 5310000324097.
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) 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 5310002554721 does not contain precious metals.
This information was last updated on Aug 01, 2025.