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Aeroshell W100 SAE 50 Aircraft Oil - MIL-L-22851D
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Aeroshell W100 SAE 50 Aircraft Oil - MIL-L-22851D

ProductUnit / TypeLeadQuantityAdd Ons
Part #: 60066-QT
Our Price: $6.25
1 QuartIn Stock!
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Same Day Ship
Material Safety Data Sheet: MSDS1
Part #: 60066-CASE
Our Price: $69.95
Case of 12In Stock!
Certification
Material Safety Data Sheet: MSDS1
Part #: 60066-5L
Our Price: $29.62
5 LiterIn Stock!
Certification
Same Day Ship
Material Safety Data Sheet: MSDS1
Part #: 60066-DRUM
Our Price: $1,097.61
55 Gallon3 Days
Certification
Material Safety Data Sheet: MSDS1

Protecting your aircraft engine with the right oil is essential. SkyGeek knows not all engines use the same oil, so we offer a wide variety of W100 oils, including AeroShell W100 SAE 50 Aviation Oil. This high-viscosity oil is ideal for use with radial engines in warm weather or cool temperatures.

Manufactured by Shell Global, AeroShell oils are straight mineral oils. The only additives that AeroShell W100 contains are a miniscule amount of pour point depressant and an antioxidant. This depressant is added to improve fluidity when temperatures are extremely low.

AeroShell W100 SAE 50 provides superior protection compared to conventional mineral oils. Need proof? Here's some: this oil currently resides on the U.S. Military's Qualified Products List and on the United Kingdom's Technically Acceptable Products List because of its effectiveness. It also meets or exceeds specification MIL-L-22851D.

SkyGeek stocks AeroShell W100 SAE 50 Aviation Oil in a variety of sizes including one quart, five liter and 55 gallon (drum) containers.

The suffix for each grade corresponds to the viscosity of the oil at 210°F in Saybolt Universal Seconds.

AeroShell W Oils are intended for use in four-stroke cycle certified reciprocating piston engines, including fuel-injected and turbocharged engines. AeroShell W Oils are not recommended for use in automotive engines. For automotive engines converted for use in aircraft, the specific engine manufacturer or the conversion agency should be consulted for proper oil recommendation.

Most radial engine operators use AeroShell Oil W120 in warm weather operations with AeroShell Oil W100 or AeroShell Oil W 15W-50 being used in cooler ambient temperatures.

AeroShell Oil 100W or AeroShell Oil 15W-50 are the common choices for most operators of Lycoming and Continental flat engines but, during colder parts of the year, use of AeroShell Oil W80 in place of AeroShell W100 Oil would be an excellent choice.

Although some engine manufacturers and overhaulers suggest in their service bulletins the use of a straight mineral oil in new or recently overhauled engines for break-in, other rebuilders and manufacturers especially for engines such as the Lycoming O-320H recommend use of an AeroShell W Oil for break-in. Operators should therefore check with engine rebuilders or manufacturers for the correct recommendations for the specific engine.

AeroShell W Oils are approved for use by the following engine manufacturers:

  • Textron Lycoming: 301F
  • Teledyne Continental: MHS 24B
  • Pratt & Whitney: Service Bulletin 1183-S
  • Curtiss Wright: Various Service Bulletins – refer to relevant Bulletin
  • Franklin Engines: Various Service Bulletins – refer to relevant Bulletin
  • Features
  • Promote engine cleanliness
  • Help keep engines sludge free
  • Help reduce oil consumption
  • Help engines reach TBO (Time Between Overhaul)
  • Protect highly stressed engine parts against scuffing and wear
  • Specifications
    The U.S. specification SAE J-1899 replaces MIL-L-22851D

    Although it was planned to replace the British Specification DERD 2450 with a DEF STAN specification this has now been put into abeyance and instead the SAE specification has been adopted.

  • U.S.: Approved J-1899 SAE Grade 50
  • British: Approved J-1899 SAE Grade 50
  • French: AIR 3570 Grade SAE 50
  • Russian: MS-20
  • NATO Code: O-125 Obsolete
  • Joint Service Designation: OMD-250

  • SAE viscosity grade: 50
  • Colour ASTM: 4.0
  • Density @ 15°C kg/l: 0.889

    Kinematic viscosity mm2/s

  • @ 100°C: 20.2
  • @ 40°C: 213
  • Viscosity Index: 110
  • Pourpoint °C: Below –18
  • Flashpoint Cleveland: Above 260
  • Carbon residue % m: 0.2
  • Total acidity mgKOH/g: <0.1
  • Sulphur % m: 0.14
  • Copper corrosion @ 100°C: 1
  • Ash content % m: 0.006
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