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 part number 577168 is a double-acting industrial component featuring a 20 mm piston diameter, a 20 mm stroke, and an external M8 piston rod thread conforming to ISO 21287. This unit operates at pressures from 0.15 MPa to 1 MPa using compressed air per ISO 8573-1:2010 [7:4:4] and includes self-adjusting pneumatic end-position cushioning with a 3 mm cushioning length. Designed with position sensing via proximity switch, it delivers a theoretical retracting force of 141 N at 6 bar and maintains an ambient temperature range of -20 °C to 80 °C. 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 577168. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.