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HomeOwner ShopShop SuppliesAircraft FluidsTurbine OilROYCO® 555 Synthetic Helicopter Transmission & Turbine Engine Oil - DOD-PRF-85734 (AS)Anderol ROYCO® Turbine Oil 555 - 24 Quart Case
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Anderol ROYCO® Turbine Oil 555 - 24 Quart Case
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Anderol ROYCO® Turbine Oil 555 - 24 Quart Case

Availability: In Stock and Ready To Ship!
International Orders
Part#: ROYCO555-CASE
by Anderol Royco
Our Price: $339.99
$2.99Guarantee your order ships out today (US ONLY)
$10.00Add the Manufacturer's Certification:
Material Safety Data Sheets (MSDS): MSDS1
Quantity:
Plan on blowing through a lot of oil in a short amount of time? Check out our 5 gallon pails of ROYCO 555. Need less? We also have single quarts.

A blend of "hindered" polyol esters and a carefully balanced additive package give this advanced 5 centistoke synthetic lubricating oil enhanced and corrosion protection, anti-wear and load carrying performance, and excellent thermal-oxidative stability. Designed specifically for high performance gas turbine engines and helicopter transmissions. ROYCO 555 meets all the requirements and is qualified under U.S. Military specification: DoD-L-85734 (AS) as well as U.K. DERD.2497 and XAS-2354.

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

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Product Details
Unit Size : 24 Quart Case
Shipping Weight : 60 pounds
Manufacturer P/N : ROYCO555-CASE
Military Standard : DOD-PRF-85734
Approvals : DOD-PRF-85734A
Approvals : DOD-L-85734
Approvals : U.K. DERD.2497
Approvals : XAS-2354
Approvals : ?British DEF STAN 91-100
Approvals : NATO Code O-160
Specifications
PROPERTIESSPECIFICATIONTYPICAL
Viscosity, cSt
      @ 210°F
      @ 100°F
      @ -40°F
5.0-5.5
25 min
13,000 max
5.40
29.5
10,500
Pour Point, °F-65 max-70
Flash Point, °F (C.O.C.)475 min508
Neutralization Number0.5 max0.3
Synthetic Rubber
      Swell "H" (72 hrs/158°F), %
      Swell "F" (72 hrs/400°F), %
5.0-25.0
5.0-25.0
12.5
14.7
Thermal Stability (96 hrs/525°F)
      Viscosity; @ 100°F, % Change
      Acid Number Change, mg KOH/g
      Metal Weight Change, mg/cm2
5.0 max
6.0 max
+/- 4.0 max
1.3
2.5
0.40
Corrosion Stability (72 hrs/400°F)
      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
+/- 0.2 max
+/- 0.2 max
+/- 0.2 max
+/- 0.2 max
+/- 0.2 max
0.02
0.02
0.01
0.03
0.05
Oxidation Stability (72 hrs/400°F)
      Viscosity Change @ 100°F, %
      Total Acid Number Change
      Contamination, mg/100 ml
-5 to +25 max
3.0 max
50.0 max
12.5
0.6
0.9
Load Carrying Capacity, Ryder Gear @ 165°F
      Scuff Rating, lb/in2
    Relative Rating, %
Typical
Typical
3835
155
Sediment, 1.2 micron filter, mg/L10 max2.0
Foaming, ml initial/ml final
      Seq I @ 77 °F
      Seq II @ 200°F
      Seq III @ 77°F
25/0
25/0
25/0
nil
nil
nil
Specific Heat, Cp
      @ 37.8°C
      @ 260 °C
Typical
Typical
0.466
0.618
Dynamic Rust Test, synthetic sea water
      Degree of rusting, 60°C, 24 hrs
None
PASS
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