National Stock Number
2840-00-343-9579
National Stock Number (NSN) 2840-00-343-9579, or NIIN 003439579, (shroud segment,turbine,aircraft gas turbine engine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003439579 was cancelled on March 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) 50603. [A STATIONARY ARCHED METAL SEGMENT USED TO ESTABLISH CLEARANCE AND A SEAL FOR THE TIP OF A BLADE, TURBINE ROTOR, AIRCRAFT GAS TURBINE ENGINE. THE INNER DIMENSION MAY HAVE OPEN HONEYCOMB OR COMPOSITION FILLED SURFACE OR MAY BE FORMED BY THE KNIFE EDGE METAL PROTRUSIONS OF A SEAL RING, LABYRINTH, AIRCRAFT GAS TURBINE ENGINE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840003439579 does not contain precious metals.
This information was last updated on Aug 01, 2025.