National Stock Number
4910-00-864-4202
National Stock Number (NSN) 4910-00-864-4202, or NIIN 008644202, (pilot,valve seat refacing) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 008644202 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 11030. [A DEVICE WHICH, WHEN INSERTED INTO THE BORE OF A VALVE GUIDE ON AN INTERNAL COMBUSTION ENGINE, SERVES AS A CENTER POST FOR ALIGNING AND GUIDING THE GRINDING STONE AND/OR REAMER OF A VALVE SEAT REFACER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4910008644202 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.