PJi is a complete stocking source for aircraft hydraulic 5606 fluids (MIL-PRF-5606). Our fluids are made by Royco / Lanxess, and come in various sizes from quarts, gallons, and drums. With your PJi account, easily order online with same-day shipping for in-stock fluids, and reorder when you need more.
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 antiwear, 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.