AeroShell Turbine Oil 555 is a 5-centistoke synthetic lubricating oil for gas turbine engines, helicopter transmissions and gearboxes. This product is formulated with a blend of high quality hindered polyol esters with exceptional thermal stability properties and uses a unique enhanced additive package to improve load carrying and anti-wear performance. 

These carefully selected components result in a product which has superior load carrying performance, corrosion protection, and excellent thermal-oxidative stability. It also has the following benefits: 

• Exceptional thermal stability 
• Superior load carrying capabilities 
• Improved corrosion protection 

Applications 

• Jet aircraft turbine engines 
• Helicopter transmissions 
• Helicopter turbine engines 
• Helicopter gear boxes 
• Industrial gas turbine engines 

Specifications 

• DOD-PRF-85734A 
• DEF STAN 91-100* 
• NATO Code: O-160 
• JSD: OX-26 

* AeroShell grade meets the requirements of the listed specification but is not necessarily fully approved to that specification.