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Customer Approvals 

Pratt & Whitney MCL (refer to P&W MCL Appendix 56)

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Pratt & Whitney MCL Form 625G (P&W Direct Approval) 

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GE S400 Approval 

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GE E50TF133 Grain Size Approval 

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Lockheed Martin: Corporate ID LM0479486 

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Rolls-Royce (sub-tier) 

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ATI Nuclear Approval  

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Curtiss-Wright Electro-Mechanical Division (EMD) 

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Aerojet Rocketdyne RC5166 (Material Testing) 

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Safran (AMS2300)

Interested in seeing our accreditations? Click HERE

PES Testing 
Test Results When 
YOU Need Them 
637 Donohoe Road 
Latrobe, PA 15650
 
Tel: 724-834-8848 
Fax: 724-834-9151 
Hours: 7am-6:30pm
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