National Stock Number
2815-00-004-2543
National Stock Number (NSN) 2815-00-004-2543, or NIIN 000042543, (engine,diesel) was assigned June 7, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, one supplier is 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 14, 2002, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 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 2815000042543 does not contain precious metals.
This NSN is associated to Schedule B 8409998000: parts for compression-ignition internal combustion piston engines (diesel), nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Aug 01, 2025.