National Stock Number
2815-01-085-1881
National Stock Number (NSN) 2815-01-085-1881, or NIIN 010851881, (flywheel,engine) was assigned November 1, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 Dec 05, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60500. [A CIRCULAR METAL ITEM SPECIFICALLY DESIGNED TO BE ATTACHED TO THE ENGINE CRANKSHAFT. ITS PRIMARY FUNCTION IS TO COUNTERACT VARIABLE TORQUE AND REDUCE THE FLUCTUATIONS OF AN INTERNAL COMBUSTION ENGINE, DURING CHANGES OF SPEED. IT MAY HAVE A RING GEAR, COOLING FAN, PERMANENT MAGNETS, AND/OR THE LIKE. EXCLUDES ENGINE CRANKSHAFT DAMPERS.]. 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 2815010851881 contains an unknown precious metal.
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 May 01, 2025.