National Stock Number
2840-00-566-1679
National Stock Number (NSN) 2840-00-566-1679, or NIIN 005661679, (vane,compressor,aircraft gas turbine engine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005661679 was cancelled on March 2, 2020, 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 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, 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 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 Jul 01, 2020, 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) 50611. [A COMPONENT OF A VANE ASSEMBLY, COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE. IT IS DESIGNED TO RECEIVE AIR FROM THE PRECEDING COMPRESSOR BLADES AND DELIVER IT TO THE SUCCEEDING ROW OF COMPRESSOR BLADES, DIFFUSER, OR COMBUSTION AREA AT CORRECT PRESSURE, VELOCITY AND DIRECTION.]. 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 2840005661679 does not contain precious metals.
This information was last updated on Aug 01, 2025.