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 556543 is a double-acting industrial component featuring a rotary vane structural design with a 40 mm piston diameter, a 40 mm stroke, and a swivel angle adjustment range of 0 degrees to 270 degrees. This part operates on compressed air as per ISO 8573-1:2010 [7:4:4] within an operating pressure range of 2.5 bar to 8 bar, incorporating elastic cushioning rings or pads at both ends, position sensing via proximity switch, and a through, hollow piston rod with a plain bearing-guide. Submit the exact part number, quantity, and application requirements for a formal 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 556543. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.