National Stock Number
2840-00-169-3004
National Stock Number (NSN) 2840-00-169-3004, or NIIN 001693004, (gearbox,accessory drive,turbine engine) was assigned August 9, 1971 in the Federal Logistics Information System (FLIS). NIIN 001693004 was cancelled on December 16, 2011, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 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 2840001693004 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.