Phillips X/C Aviation Hydraulic Fluid 5606H and Phillips X/C Aviation Hydraulic Fluid 5606A are both formulated to provide protection under severe-duty applications. Phillips X/C Aviation Hydraulic Fluid 5606H meets military specifications for use where “super clean” hydraulic fluid is desired. Filtered and hermetically sealed, it is excellent for use where “super clean” fluid can help prolong service life and reliability. Phillips X/C Aviation Hydraulic Fluid 5606H and Phillips X/C Aviation Hydraulic Fluid 5606A are red-dyed, mineral-based fluids. The superior additive technology provides excellent low-temperature fluidity as well as exceptional anti-wear capability, oxidation and corrosion inhibition, and shear stability