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 156421 is a single-acting industrial component featuring a pulling action, a 16 mm piston diameter, and an adjustable stroke ranging from 1 to 25 mm. This unit utilizes a square piston rod for torque protection, integrated flexible cushioning rings at both ends, and built-in capability for proximity sensor position detection. Operating within a pressure range of 1.3 to 10 bar across ambient temperatures from -20 to 80 °C, it delivers a theoretical force of 81 N at 6 bar on the advance stroke. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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 156421. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.