National Stock Number
5310-01-249-7642
National Stock Number (NSN) 5310-01-249-7642, or NIIN 012497642, (washer,spring tension) was assigned February 16, 1987 in the Federal Logistics Information System (FLIS). NIIN 012497642 was cancelled on June 2, 1999, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5310121461832. 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.
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.]. 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 5310012497642 does not contain precious metals.
This information was last updated on Aug 01, 2025.