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 577178 is a double-acting industrial component featuring a 25 mm piston diameter, a 30 mm stroke, an M6 internal piston rod thread at one end, and self-adjusting pneumatic end-position cushioning. Built to conform to ISO 21287, this unit operates on compressed air according to ISO 8573-1:2010 [7:4:4] within a 0.15 MPa to 1 MPa pressure range and delivers a theoretical retracting force of 247 N at 6 bar. It provides position sensing via proximity switch, features a Class 5 cleanroom suitability rating per ISO 14644-1, and maintains a moderate corrosion resistance class (CRC) of 2 across 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 577178. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.