National Stock Number
5310-99-225-9920
National Stock Number (NSN) 5310-99-225-9920, or NIIN 992259920, (washer,lock) has an unknown assigned date. NIIN 992259920 was cancelled on September 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5310015575635. This NSN does not replace any other NSNs.
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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 information was last updated on Nov 05, 2025.