Royco5555GL | Royco 555 Synthetic Helicopter Transmission And Turbine Engine Oil - 5 Gallon Pail | Aircraft products | Lanxess--Royco

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Part Number: Royco-555-5GL

Royco 555 Synthetic Helicopter Transmission And Turbine Engine Oil - 5 Gallon Pail

Price: $750.00

Size: 5GL

Unit of Measure: EA

Minimum Order Qty: 1

Manufacturer: Lanxess - Royco

In Stock: 13

Usually Ships: 3-5 Days

View TDS/SDS File

Features and Specifications

ROYCO 555 is an advanced 5 centistoke synthetic lubricating oil for gas turbine engines and helicopter transmissions.

The product is a blend of "hindered" polyol esters and a finely balanced modern technology additive package resulting in enhanced load carrying performance, anti-wear, corrosion protection, and excellent thermal-oxidative stability.

Applications:

ROYCO 555 was specifically developed for use in high performance gas turbine engines developed during the mid 1960’s for the SST and Concorde.

These advanced engines required a lubricant having good high temperature stability as well as extreme pressure load carrying capability.

ROYCO 555 was developed for the demands of increasingly higher power output engines that subsequently develop higher operating temperatures and loads.

It was also designed to give improved performance in current engines.

ROYCO 555 was also formulated to meet the requirements of helicopter gearbox and transmission systems.

A high load carrying oil such as ROYCO 555 is necessary to meet the load requirements and reliability demands of those systems.

More recently with the need to transmit more power and higher loads through helicopter gearbox and transmission systems, extensive evaluation by helicopter airframe manufacturers has demonstrated this improved load carrying ability which has resulted in improved reliability - particularly by increased time between overhaul (TBO.)

This oil should only be used in applications where synthetic oils have been specified or in systems expressly designed for synthetic lubricants.

NOTE: ROYCO 555 should not be used with silicone-based elastomers.

Specifications:

ROYCO 555 meets the requirements of and is qualified under U.S. Military specification: DoD-PRF-85734 as well as meeting the requirements of:

U.K. DERD.2497 ▪ XAS-2354 ▪ British DEF STAN 91-100 ▪ NATO Code O-160 UK Joint Service Designation OX-26

ROYCO 555 is approved commercially for use in aircraft transmissions, gearboxes, and gas turbine engines manufactured by Pratt & Whitney (521C Type II), Pratt & Whitney Canada, IAE, CFM International, General Electric (D-50 TF 1), RR Allison (EMS-53 (Obsolete)) , Rolls Royce, Garrett, Motorlet, and Turbomeca, as well as Garrett and Sunstrand accessories.

ROYCO 555 is also approved for use in Eurocopter/Aerospatiale, Boeing Vertol, Bell Helicopter Textron, Agusta, Hughes/McDonnell Douglas, MBB, Sikorsky, and Westland helicopter transmissions.

PROPERTY	SPECIFICATION	TYPICAL
Viscosity, cSt @210°F @100°F @-40°F Flash Point, °F (C.O.C.) Fire Point, °F Pour Point, °F Neutralization No. Synthetic Rubber Swell “H” (72 hrs/158°F),% Swell “F” (72 hrs/400 °F), % Thermal Stability (96 hrs/525 ^°F) Viscosity; @ 100 ^°F, % Change Acid Number Change, mg KOH/g Metal Weight Change, mg/cm2 Oxidation and Corrosion Stability (72 hrs/400 °F) Corrosion Steel, wt. change, mg/cm² Silver, wt. change, mg/cm² Aluminum, wt. change, mg/cm² Magnesium, wt. change, mg/cm² Copper, wt. change, mg/cm² Oxidation Viscosity Change @ 100°F, % Total Acid Number Change Contamination, mg/100 ml Load Carrying Capacity, Ryder Gear @ 165°F Scuff Rating, lb/in² Relative Rating, % Sediment, 1.2 micron filter, mg/L Foaming, ml initial/ml final Seq I @ 77°F Seq II @ 200°F Seq III @ 77°F Specific Heat, Cp @ 37.8 °C @ 260°C Dynamic Rust Test, synthetic sea water Degree of rusting, 60°C, 24 hrs API Gravity	5.0-5.5	5.40
	25 min.	29.5
	13,000 max.	10,300
	475 min.	508
		555
	-65 max.	-75
	0.5 max	0.3
	5.0-25.0	12.5
	5.0-25.0	14.7
	5.0 max.	1.3
	6.0 max.	1.75
	+ 4.0 max.	0.40
	+ 0.2max.	0.02
	+ 0.2 max.	0.02
	+ 0.2 max.	0.01
	+ 0.2 max.	0.03
	+ 0.2 max.	0.05
	-5 to +25	12.5
	3.0 max.	0.6
	50.0 max.	0.9
	Typical	3835
	Typical	155
	10 max.	2.0
	25/0	nil
	25/0	nil
	25/0	nil
	Typical	0.466
	Typical	0.618
	None	PASS
		10.89

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