National Stock Number
                                            2840-01-266-5904
                                    
                                
                            
                            
                                National Stock Number (NSN) 2840-01-266-5904, or NIIN 012665904, (frame,fan,aircraft gas turbine e) was assigned October 28, 1987 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.  
This part number has not been procured by the US Government in over 5 years. 
 
  Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 22, 1998, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer.  The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. Valid AMCs: 1, 2, 3, 4 and 5. 
This NSN is assigned to Item Name Code (INC) 52343. [A FRAME USED FOR AND PART OF THE FAN SECTION OF AN AIRCRAFT GAS TURBINE ENGINE. MAY INCLUDE STRUTS WITH OR WITHOUT VARIABLE GUIDE VANES.]. 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 2840012665904 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 Aug 01, 2025.