For use in medium pressure hydraulic, pneumatic, fuel, oil and coolant systems, conforms to MIL-H-8794. Operating temperatures -65 to +250 degrees fahrenheit. Hose is reinforced with a single wire braid in between two layers of synthetic rubber, with an outer covering of oil resistant cotton braid.
To explain the sizing of Aeroquip hose, in the part number 303-4 the dash 4 means it will fit the same size in “AN” fittings (for example AN816-4D) when fitted with the appropriate end connection (for example 491 series).
