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 557042 is a double-acting industrial component featuring a 5/8" piston diameter, a 1 in stroke, and an internal 8-36 UNF-2B piston rod thread built on the ISO 21287 norm. This unit incorporates elastic cushioning rings at both ends, accommodates any mounting position, and utilizes a profile barrel structural design with position sensing via proximity switch. Operating within a pressure range of 14.5 psi to 145 psi using compressed air, it delivers a theoretical advancing force of 27.2 lbf and retracting force of 20.2 lbf at 6 bar. Submit the exact part number, quantity, and application requirements to request a quote for this Festo component.
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 557042. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.