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.
Terrific stuff, and order filled and delivered quickly. Use it in my 2010 BMW 535iT xDrive wagon when rebuilding the rear liftgate hydraulic pump. The best!
Easy to order, excellent shipping time. Product was very well packed, knowing it is an oil can. Very good outfit to do business with.
Brake oil. What can I say? Nice in a quart size.
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Royco 756 has a 4 year shelf life.
MIL-H-5606 is used when the container has a removable top, and MIL-PRF-5606 is in a sealed container. The PRF specification indicates it is "Super Clean" from the manufacturer, and requires that the can stay sealed. We do can down the PRF material to re-sealable containers, but they have to be listed as MIL-H-5606A material.