National Stock Number
5310-01-396-3973
National Stock Number (NSN) 5310-01-396-3973, or NIIN 013963973, (washer,lock) was assigned January 13, 1976 in the Federal Logistics Information System (FLIS). NIIN 013963973 was cancelled on July 2, 1998, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 8030010543968. 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) 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310013963973 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.