National Stock Number
2815-01-414-4380
National Stock Number (NSN) 2815-01-414-4380, or NIIN 014144380, (flywheel,engine) was assigned June 7, 1995 in the Federal Logistics Information System (FLIS). NIIN 014144380 was cancelled on November 2, 2017, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2815011616540. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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, with the most recent procurement date of Mar 09, 2011. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L211V2877, SPM7L110V1434, SPM7L110V0571. The total value of the awarded contracts has been US$ 5,648.55.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 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. 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) 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 2815014144380 does not contain precious metals.
This information was last updated on Jun 01, 2025.