National Stock Number
4810-01-153-9231
National Stock Number (NSN) 4810-01-153-9231, or NIIN 011539231, (seat,valve) has an unknown assigned date. NIIN 011539231 was cancelled on June 2, 1990, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4810007930590. 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) 22113. [A REPLACEABLE ITEM DESIGNED TO PROVIDE A STATIONARY SEATING SURFACE FOR A MATING, MOVEABLE ITEM SUCH AS A VALVE DISK OR THE LIKE. THE BODY MAY HAVE A FLANGE OF VARIOUS SHAPES. FOR DIESEL AND GASOLINE RECIPROCATING ENGINES, SEE INSERT, ENGINE VALVE SEAT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4810011539231 does not contain precious metals.
This information was last updated on Jun 01, 2025.