National Stock Number
2815-12-339-0539
National Stock Number (NSN) 2815-12-339-0539, or NIIN 123390539, (engine,diesel) has an unknown assigned date. 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 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) 03751. [A RECIPROCATING INTERNAL COMBUSTION ENGINE IN WHICH THE POWER NECESSARY TO PRODUCE MOTION OF THE MECHANISM IS OBTAINED BY IGNITING A COMPRESSED FUEL AND AIR MIXTURE WITHIN THE CYLINDER OR CYLINDERS BY EXTREME HEAT RESULTING FROM COMPRESSION. THE ENGINE CONSISTS OF A CYLINDER BLOCK ASSEMBLY COMPLETE WITH CYLINDER HEAD(S) AND OIL PAN(S). IT MAY INCLUDE ATTACHMENTS OR ACCESSORIES, SUCH AS STARTER MOTOR, TRANSMISSION FOR AUXILIARY EQUIPMENT, CLUTCH, OIL FILTER, FLYWHEEL, FLYWHEEL HOUSING OR BATTERY CHARGING GENERATOR. A FUEL TANK IS NOT INCLUDED. FOR A COMPLETE OPERATING POWER UNIT MOUNTED ON A BASE, SEE POWER UNIT (1), DIESEL.].
This information was last updated on Jan 23, 2026.