MIL-PRF-5606H - ROYCO 756 is a red-dyed, mineral oil based hydraulic fluid developed

for the severe duty demands of aerospace and industrial service.

USES: ROYCO 756 is designed for use in aircraft, missiles, auto pilots, shock absorbers, cherry pickers, boom trucks, robotics, and auto wreckers requiring all - weather performance. ROYCO 756 can be used in unpressurized systems operating at temperature ranges from -54 to 90℃C (-65 to 195℃F) and in pressurized systems from -54 to 135℃C (-65 to 275℃F) at pressures up to 3000 p.s.i.

MIL-PRF-5606 is the latest spec and has replaced MIL-H-5606. Also QPL-5606-31.