National Stock Number
4820-00-117-2456
National Stock Number (NSN) 4820-00-117-2456, or NIIN 001172456, (valve,vent) was assigned October 4, 1968 in the Federal Logistics Information System (FLIS). NIIN 001172456 was cancelled on May 31, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 4930006103021, 2540000714049.
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) 35935. [A VALVE DESIGNED TO RELIEVE INTERNAL PRESSURE FROM GEAR HOUSINGS, AUTOMOTIVE AXLES, DIFFERENTIALS, TRANSMISSIONS AND THE LIKE. MAY OR MAY NOT BE THREADED ON ONE END. FOR ITEMS WITH RELIEF PRESSURE RATINGS SEE VALVE (1), SAFETY RELIEF.]. 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 4820001172456 contains an unknown precious metal.
This information was last updated on Sep 01, 2024.