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 556394 is a double-acting rotary vane industrial component featuring a 16 mm piston diameter, 25 mm stroke, and an adjustable swivel angle ranging from 0 deg to 246 deg with a -3 deg precision adjustment. Operating at pressures between 2.5 bar and 8 bar on compressed air conforming to ISO 8573-1:2010 [7:4:4], it utilizes pneumatic shock absorbers and elastic cushioning rings at both ends alongside a plain bearing-guide for torsion protection. This model includes a through, hollow piston rod, position sensing via proximity switch, a repetition accuracy of 0.1 deg, and supports 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 556394. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.