Royco 555 (1 x 946ml)

ROYCO 555 is a high-performance synthetic lubricating oil designed for gas turbine engines, helicopter gearboxes and transmissions. It has a viscosity of approximately 5 centistokes and is formulated using hindered polyol esters together with a carefully balanced additive package.

The formulation provides strong load-carrying capability, anti-wear protection, corrosion resistance and excellent thermal-oxidative stability, making it suitable for demanding high-temperature aviation applications.

Overview

ROYCO 555 is a 5-centistoke synthetic turbine lubricating oil developed for gas turbine engines, helicopter gearboxes and transmissions.

Its hindered polyol ester base and advanced additive system provide improved load-carrying performance, anti-wear protection, corrosion resistance and thermal-oxidative stability. It is suitable for applications involving high power output and demanding operating temperatures where approved by the equipment manufacturer.

Features & Benefits

• Excellent load-carrying capability
• Strong thermal and pressure stability
• Anti-wear protection for critical components
• Excellent thermal-oxidative stability
• Good corrosion protection
• Excellent lubricity
• Designed for demanding turbine engine and gearbox applications
• Long-lasting lubricant performance
• Available in 1 quart container

Specifications

• Product: ROYCO 555
• Lubricant Type: Synthetic Turbine Lubricating Oil
• Base Chemistry: Hindered Polyol Ester
• Physical State: Liquid
• Color: Amber
• Odor: Mild
• Container Size: 1 Quart
• Flash Point: Greater than 475°F
• Pour Point: Approximately -65°F
• Relative Density: Approximately 0.99
• Viscosity at 210°F: Approximately 5–5.5 cSt
• Viscosity at 100°F: Minimum 25 cSt
• Viscosity at -40°F: Maximum 13,000 cSt

Technical Information

• DOD-PRF-85734
• UK DERD 2497
• XAS-2354
• DEF STAN 91-100
• NATO Code: O-160
• UK Joint Service Designation: OX-26