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 8066442 is a single-acting industrial component featuring a gear rack/pinion structural design with a size 40 valve actuator and an F04 flange hole pattern. It provides a 90-degree swivel angle with an end-position adjusting range of -5 degrees to 5 degrees at both 0 degrees and the nominal swivel angle, operating within a pressure range of 2 bar to 8 bar (29 psi to 116 psi) and a burst pressure of 24 bar. Certified for safety functions to ISO 13849 and IEC 61508, the safety function executes via spring force to switch the actuator to the defined safety position when compressed air is switched off and the spring chamber is exhausted, achieving up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 8066442. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.