Royco 555 is a 5 cSt synthetic turbine engine and helicopter transmission oil based on hindered polyol esters.
Features:
- Hindered polyol ester base stock with a modern additive package
- Enhanced load-carrying and anti-wear performance
- Corrosion protection and thermal-oxidative stability for high-temperature service
Applications:
- Gas turbine engines
- Helicopter gearboxes and transmissions requiring high load-carrying capability
- For use only where synthetic oils are specified; not to be used with silicone-based elastomers
Typical Properties:
- Viscosity grade: 5 cSt
| Packing | 1 QT |
| Specifications & Approvals | |
|---|---|
| Specification |
DEF STAN 91-100
(meets)
DOD-PRF-85734A
(meets)
|
| NSN · P/N · CAGE |
9150-01-209-2684
· ROYCO 555
· CAGE 07950
(1 QT)
|
| NATO Code | O-160 |
| CAGE (Manufacturer) | 07950 |