ROYCO 500 is a 5 centistoke synthetic lubricating oil for gas turbine engines. ROYCO 500 meets all the requirements and is qualified under U.S. Military specification MIL-PRF-23699F Grade STD.
ROYCO 500 is approved commercially for use in aircraft engines manufactured by Pratt & Whitney, General Electric, Honeywell, Lycoming, Rolls Royce, Snecma, and Turbomeca gas turbine engines, as well as AiResearch, Garrett, and Sunstrand accessories. A detailed application list is available upon request.
ROYCO 500 is also approved for use in the industrial and marine versions of the Rolls-Royce Avon, Allison 501
Lycoming TF35, Pratt & Whitney GG3/FT3, GG4, GG12/FT12 and General Electric LM100, 350, 1600, 2500 and 5000/6000 engines as well as Turbomeca Industrial engines.