Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
The Festo 556390 is a double-acting rotary vane industrial component featuring a 16 mm piston diameter, a 25 mm stroke, and an adjustable swivel angle ranging from 0 degrees to 270 degrees with a -6 degree precision adjustment and 2 degrees of swivel angle backlash. Operating on compressed air according to ISO 8573-1:2010 [7:4:4] within a 2.5 bar to 8 bar pressure range, this unit utilizes elastic cushioning rings or pads at both ends, a plain bearing-guide for torsion protection, a through piston rod, and proximity switch position sensing. It achieves a maximum impact velocity of 500 mm/s, a maximum swivel frequency of 2 Hz at 6 bar, a repetition accuracy of 1 degree, and a low corrosion stress rating of CRC 1, while supporting optional oil lubrication. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 556390. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.