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 557030 is a double-acting industrial component based on the ISO 21287 norm featuring a 1/2" piston diameter, a 1.5 in stroke, and a profile barrel structural design with a piston rod at one end having a 4-48 UNF-2B internal thread. Designed with elastic cushioning rings at both ends, it operates on compressed air according to ISO 8573-1:2010 [7:4:4] within a pressure range of 14.5 psi to 145 psi and an ambient temperature span of -4 °F to 176 °F. This unit supports position sensing via proximity switch, offers a moderate corrosion resistance class of CRC 2, and delivers a theoretical force of 15.3 lbf advancing and 11.5 lbf retracting at 6 bar. Submit the exact part number, quantity, and application requirements to receive a formal 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 557030. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.