National Stock Number
2520-01-645-4563
National Stock Number (NSN) 2520-01-645-4563, or NIIN 016454563, (housing,flywheel) was assigned June 17, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 18, 2015, 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) 36328. [AN ITEM DESIGNED TO ENCLOSE THE FLYWHEEL AND RELATED PARTS, CLUTCH, PLATES, RING GEAR AND THE LIKE ON THE END OF THE CYLINDER BLOCK. MAY BE FABRICATED FROM A SINGLE CASTING OR COMPOUND OF TWO SEPARATE CASTINGS AND MAY INCLUDE MOUNTING FACILITIES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2520016454563 does not contain precious metals.
This information was last updated on Aug 01, 2025.