National Stock Number
4910-01-250-7820
National Stock Number (NSN) 4910-01-250-7820, or NIIN 012507820, (pilot,valve seat refacing) was assigned March 7, 1987 in the Federal Logistics Information System (FLIS). NIIN 012507820 was cancelled on December 15, 2017, 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 are 2 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4910012507820 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.