National Stock Number (NSN) 2840-01-029-5446, or NIIN 010295446, (hub,compressor,aircraft gas turb) was assigned October 17, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 11 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A124F1208, SPE4A123V0439, SPE4A123V0365, SPE4A123V0365, SPE4A622V215H. The total value of the awarded contracts has been US$ 127,519.25.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 22,592. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 25, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50573. [A COMPONENT OF A ROTOR, COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE. IT IS DESIGNED TO ATTACH TO THE FRONT AND/OR REAR OF THE ROTOR PROVIDING SUPPORT, ALIGNMENT, AND A MEANS OF ATTACHMENT FOR A SHAFT, TURBINE, AIRCRAFT GAS TURBINE ENGINE. IT MAY HAVE PROVISIONS FOR INSTALLING BEARINGS, AND/OR OIL AND AIR SEALS. SEE ALSO DISK AND HUB, COMPRESSOR, AIRCRAFT GAS TURBINE 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 2840010295446 does not contain precious metals.
This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Jul 01, 2025.