National Stock Number
2930-01-253-8656
National Stock Number (NSN) 2930-01-253-8656, or NIIN 012538656, (housing,coolant pump,engine) was assigned April 26, 1987 in the Federal Logistics Information System (FLIS). NIIN 012538656 was cancelled on May 1, 2010, 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 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, 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) 37355. [A HOUSING DESIGNED TO ENCLOSE THE INTERNAL PARTS OF A COOLING SYSTEM WITH INLET AND OUTLET PORTS AND SPECIFIED BORES TO ACCOMMODATE SPECIFIC COMPONENT PARTS. FOR ITEMS CONTAINING A SHAFT, GEAR, BEARINGS AND THE LIKE SEE PUMP, COOLING SYSTEM, ENGINE. EXCLUDES:HOUSING, LIQUID PUMP.]. 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 2930012538656 does not contain precious metals.
This information was last updated on Aug 01, 2025.