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Phillips 66® X/C® 5606H and X/C® 5606A

Phillips 66 X/C® 5606H and X/C®5606A Aviation Hydraulic Fluids are both formulated to provide protection under severe-duty applications. X/C® 5606H meets the latest military specifications. Filtered and hermetically sealed, it is excellent for use where “super-clean” fluid can contribute to helping prolong service life and reliability.

X/C® 5606H and X/C® 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.


X/C®5606H Aviation Hydraulic Fluid meets the requirements of:
  • U.S.Military Specification MIL-PRF-5606H (supercedes MIL-O-5606, AN-O-336, AN-VV-O-336 and AAF-3580)

X/C®5606A Aviation Hydraulic Fluid meets the requirements of:
  • U.S.Military Specification MIL-H-5606A (obsolete)

Note: Do not use in hydraulic systems with natural rubber elastomers.

Package Availability: X/C® 5606H quart containers and 55 gallon drums, X/C® 5606A 6/1 gallon containers only.

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