National Stock Number
                                            2815-01-616-8021
                                    
                                
                            
                            
                                National Stock Number (NSN) 2815-01-616-8021, or NIIN 016168021, (engine,diesel) was assigned February 28, 2013 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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. 
 
  Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 01, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer.  The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2815016168021 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.