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 8042539 is a 5/2-way monostable industrial component utilizing a piston slide structural design with a soft sealing principle and positive overlap. Featuring a 10 mm valve size, an M5 pneumatic working port, and an internal pilot air supply, this electrically actuated unit operates at 24V DC within a pressure range of 0.25 MPa to 0.7 MPa (2.5 bar to 7 bar) to deliver a normal nominal flow rate of 195 l/min. It includes adjustable exhaust air function, a pneumatic spring reset method, detenting and non-detenting manual override, and carries c UL us recognition under UL certificate MH19482 with an IP40 degree of protection. Submit the exact part number, quantity, and application requirements to request a quote for this 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 8042539. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.