National Stock Number
4910-00-255-8664
National Stock Number (NSN) 4910-00-255-8664, or NIIN 002558664, (pilot,valve seat refacing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4910004228799.
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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 4910002558664 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.