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 188128 is a single-acting industrial component featuring a 20 mm piston diameter, a 5 mm stroke, and a pushing mode of operation with elastic cushioning rings at both ends. It operates within a pressure range of 0.15 MPa to 1 MPa using compressed air per ISO 8573-1:2010 [7:4:4] and provides a theoretical advancing force of 170 N at 6 bar with a 10 N spring resetting force in the retracted position. The unit includes position sensing for a proximity sensor, an M5 pneumatic connection, and versatile mounting options utilizing a through-hole or accessories across an ambient temperature range of -20 °C to 80 °C. 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 188128. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.