AeroShell Fluid 41 is a mineral hydraulic oil manufactured to a very high level of cleanliness and it possesses improved fluid properties. It contains additives that provide excellent low-temperature fluidity as well as exceptional anti-wear, oxidation – corrosion inhibition and shear stability. In addition, metal de-activators and foam inhibitors are included in this high-viscosity index fluid to enhance performance in hydraulic applications. AeroShell Fluid 41 is dyed red. Approved to MIL-PRF-5606