National Stock Number
2815-01-411-5550
National Stock Number (NSN) 2815-01-411-5550, or NIIN 014115550, (engine,diesel) was assigned February 3, 2020 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 04, 2020, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 2815014115550 does not contain precious metals.
This information was last updated on Aug 01, 2025.