National Stock Number
2815-01-352-5721
National Stock Number (NSN) 2815-01-352-5721, or NIIN 013525721, (cylinder head,diesel engine) was assigned January 29, 1992 in the Federal Logistics Information System (FLIS). NIIN 013525721 was cancelled on February 3, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2815015287241. 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, 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) 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 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 2815013525721 does not contain precious metals.
This information was last updated on Jul 01, 2025.