National Stock Number
2840-99-956-2866
National Stock Number (NSN) 2840-99-956-2866, or NIIN 999562866, (duct,compressor,aircraft gas turbine engine) has an unknown assigned date. 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, 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) 52525. [A CYLINDRICAL SHAPED ITEM OR A SEGMENT THEREOF DESIGNED TO DIRECT AIR INTO OR AROUND A COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE. THE AIR IS FURTHER COMPRESSED OR USED FOR COOLING PURPOSES.].
This information was last updated on Feb 02, 2026.