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 156173 is a double-acting industrial component featuring a 25 mm piston diameter, a stroke length of 1 to 200 mm, and a square piston rod for torque protection and guidance. Operating on compressed air in accordance with ISO8573-1:2010 [7:4:4] within a pressure range of 0.12 to 1 MPa (1.2 to 10 bar or 17.4 to 145 psi), this unit delivers a theoretical retracting force of 247 N at 0.6 MPa. It is equipped with flexible cushioning rings or plates at both ends, position detection capabilities for proximity sensors, and heat-resistant seals supporting ambient temperatures up to 120 °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 156173. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.