ROYCO® 756 Red MIL-PRF-5606A Spec Mineral Oil Based Aircraft Hydraulic Fluid - Resealable Gallon Can - Part#: 4055724
"Red oil" is a super clean, highly refined mineral oil based, hydraulic fluid for aoperation over wide temperature ranges.
MIL-H-5606A - ROYCO 756A is made to the latest spec, but is sold in the traditional "square" resealable can, which means the fluid cannot be certified to the latest spec. This can is very popular among light general aviation operators who don't require the latest spec. Aviall recommends pilots verify aircraft requirements and use MIL-PRF-5606H fluid (756-1GL) where revisions later than "A" are called for. Also QPL-
Warning: This product may contain a chemical known by the State of California to cause health issues. Details found here www.P65Warnings.ca.gov
ROYCO 756 is a red-dyed, mineral oil based hydraulic fluid developed for the severe duty demands of aerospace and industrial service. ROYCO 756 contains additives that provide excellent low temperature fluidity as well as exceptional anti-wear, oxidation / corrosion inhibition, and shear stability. In addition, metal deactivators and foam inhibitors are provided in this high viscosity index fluid to enhance performance in many general purpose hydraulic applications.
- US Military Specification: MIL-H-5606A
- US Military Specification: MIL-H-5606G
- US Military Specification: MIL-O-5606
- US Military Specification: MIL-PRF-5606H
- US Military Specification: AN-O-336
- US Military Specification: AN-VV-O-336
- US Military Specification: AAF-3580