National Stock Number (NSN) 2840-01-421-9739, or NIIN 014219739, (liner,combustion chamber,aircraf) was assigned November 17, 1995 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2840013235978.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 5 years, with the most recent procurement date of Apr 03, 2017. There have been 3 contracts issued for this part number, with 11 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4AX16D9418, SPE4AX16D9418, SPE4AX16D9418, SPE4AX16D9418, SPE4AX16D9418. The total value of the awarded contracts has been US$ 550,793.04.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 25, 2018, 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) 50349. [A CYLINDRICAL SHAPED ITEM POSITIONED INSIDE THE CHAMBER, COMBUSTION, AIRCRAFT GAS TURBINE ENGINE. IT IS DESIGNED TO DIRECT THE FLOW OF HOT GASSES TO THE TURBINE ASSEMBLY, AIRCRAFT GAS TURBINE ENGINE.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840014219739 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.