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It's a turbine blade from a jet engine. Without more details, it'd be difficult to pin down which engine it came from and which turbine it fits. I linked a few similar ones.
Bounty: $6.00
Posted By: HelpIdentify
I'd Like to Know:
What this is and what it will fit,
          Item History: none
        
        
        
          Size: 4.5" x 1.5"
        
        
        
          Markings: 2a6702 a 152 , 1426 s,  10540 1sz s c3a
        
        
      
    
        
    Opinions
1)
    It's a turbine blade from a jet engine. Without more details, it'd be difficult to pin down which engine it came from and which turbine it fits. I linked a few similar ones.
References:
http://www.ebay.com/itm/Scrap-Turbine-engine-blade-P-W-JT9D-1st-stage-for-art...
http://www.ebay.com/itm/Scrap-Turbine-engine-blade-P-W-JT9D-1st-stage-for-art...
By: iknowthat Submitted on: 08/14/2016 at 08:24PM
    Accepted