National Stock Number
                                            4820-01-071-4650
                                    
                                
                            
                            
                                National Stock Number (NSN) 4820-01-071-4650, or NIIN 010714650, (valve,vent) was assigned February 8, 1979 in the Federal Logistics Information System (FLIS).  NIIN 010714650 was cancelled on June 2, 1997, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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) 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820010714650 contains an unknown precious metal. 
This information was last updated on Aug 01, 2025.