National Stock Number
5310-01-559-1696
National Stock Number (NSN) 5310-01-559-1696, or NIIN 015591696, (washer,lock) was assigned December 7, 2007 in the Federal Logistics Information System (FLIS). NIIN 015591696 was cancelled on November 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310004079566. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 37 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) 14218. [A WASHER, USUALLY ROUND, WITH A CENTRALLY-LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE DESIGNED IN SUCH A WAY THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE THAT MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES.]. 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 5310015591696 does not contain precious metals.
This information was last updated on Aug 01, 2025.