National Stock Number
4910-00-565-5891
National Stock Number (NSN) 4910-00-565-5891, or NIIN 005655891, (pilot,valve seat refacing) has an unknown assigned date. NIIN 005655891 was cancelled on May 31, 1997, 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 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) 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 4910005655891 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.