National Stock Number
2840-00-174-7821
National Stock Number (NSN) 2840-00-174-7821, or NIIN 001747821, (duct,exhaust,aircraft gas turbine engine) was assigned February 24, 1973 in the Federal Logistics Information System (FLIS). NIIN 001747821 was cancelled on April 29, 2010, 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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) 50343. [A CYLINDRICAL SHAPED ITEM DESIGNED TO DIRECT THE HOT GASES THAT ARE DISCHARGED FROM AN ENGINE, GAS TURBINE, AIRCRAFT. IT IS THE OUTER PORTION OF A DUCT AND CONE, EXHAUST, AIRCRAFT GAS TURBINE ENGINE. IT MAY BE ATTACHED DIRECTLY TO THE ENGINE.]. 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 2840001747821 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.