GB 440-1977
ActiveAviation lubricating oil No.20
20号航空润滑油
Application Summary AI generated
GB 440-1977 specifies the technical requirements, test methods, and quality standards for Aviation lubricating oil No.20, a mineral-based oil used for lubricating aircraft piston engines. It is applied in the aviation industry for engine systems operating under moderate temperature conditions, ensuring proper viscosity and thermal stability. This standard is referenced during production, quality inspection, and procurement of lubricants for military and civilian aircraft.
Related Standards
GB/T 7631.2-2003
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GB/T 12579-2002
Determination of foaming characteristics of lubricating oils
GB/T 2433-2001
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Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
GB/T 7631.15-1998
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GB/T 7631.14-1998
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