National Stock Number
2915-99-776-6841
National Stock Number (NSN) 2915-99-776-6841, or NIIN 997766841, (seat,valve) has an unknown assigned date. NIIN 997766841 was cancelled on March 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2915997389102. 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, there are no suppliers 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) 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.].
This information was last updated on Feb 04, 2026.