National Stock Number
2840-01-257-2822
National Stock Number (NSN) 2840-01-257-2822, or NIIN 012572822, (gearbox,accessory drive,turbine engine) was assigned June 16, 1987 in the Federal Logistics Information System (FLIS). NIIN 012572822 was cancelled on May 2, 1998, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 assigned to Item Name Code (INC) 61690. [A COMPLETE ASSEMBLY OF GEARS, BEARINGS, SHAFTS, SEALS, AND NECESSARY MISCELLANEOUS PARTS, ENCASED IN A HOUSING, DESIGNED FOR DRIVING AND/OR ATTACHING VARIOUS AIRCRAFT OR ENGINE ACCESSORIES AND COMPONENTS.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 2840012572822 does not contain precious metals.
This information was last updated on Aug 01, 2025.