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 156940 is a single-acting industrial component featuring a 20 mm piston diameter, a 5 mm stroke, and an internal M5 piston rod thread at one end. Operating on compressed air compliant with ISO 8573-1:2010 [7:4:4] within a pressure range of 1 bar to 10 bar (14.5 psi to 145 psi), this unit delivers a theoretical advancing force of 171 N at 6 bar and incorporates elastic cushioning rings at both ends. It achieves position sensing via a proximity switch, tolerates ambient temperatures from -20 °C to 80 °C, and maintains a moderate corrosion resistance class (CRC) of 2 alongside VDMA24364-B1/B2-L LABS conformity. Submit the exact part number, quantity, and application requirements to receive an RFQ.
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 156940. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.