National Stock Number
2815-00-453-9277
National Stock Number (NSN) 2815-00-453-9277, or NIIN 004539277, (insert,engine valve seat) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004539277 was cancelled on November 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) 42140. [A METAL RING DESIGNED TO PROVIDE A SEATING SURFACE FOR A VALVE, POPPET, ENGINE IT IS MADE OF SPECIAL HIGH-GRADE ALLOY METAL THAT CAN WITHSTAND HIGH OPERATING TEMPERATURES. FOR FLUID VALVES, SEE SEAT, VALVE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2815004539277 does not contain precious metals.
This information was last updated on Jul 01, 2025.