National Stock Number
2815-12-198-3866
National Stock Number (NSN) 2815-12-198-3866, or NIIN 121983866, (cylinder head,diesel engine) has an unknown assigned date. NIIN 121983866 was cancelled on January 2, 2013, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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. 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) 60370. [AN ITEM DESIGNED TO INCLOSE THE CYLINDER BORE(S) OF AN ENGINE BLOCK TO FORM A COMBUSTION CHAMBER(S). IT MAY HAVE LIQUID COOLING PASSAGE(S) AND/OR AIR COOLING FIN(S) AND MAY INCLUDE VALVE(S), VALVE GUIDE(S), ROCKER ARM(S), INJECTOR TUBE(S), AND THE LIKE. IT IS A COMPONENT PART OF AN ENGINE, DIESEL. SEE ALSO CYLINDER HEAD, GASOLINE ENGINE.].
This information was last updated on Jul 28, 2025.