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 577169 is a double-acting industrial component featuring a 20 mm piston diameter and a 25 mm stroke configured with a piston rod at one end and an external M8 thread. Operating within a pressure range of 0.15 MPa to 1 MPa and adhering to the ISO 21287 standard, this unit incorporates self-adjusting pneumatic end-position cushioning alongside position sensing via proximity switch. It operates across an ambient temperature range of -20 °C to 80 °C, exhibits a moderate corrosion resistance class of 2, and meets ISO 14644-1 Class 5 cleanroom suitability. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 577169. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.