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 165664 is a threaded industrial component featuring a one-way flow control function for exhaust air with two M5 pneumatic connections and a slotted head screw adjusting element. This 10 g unit operates within a working pressure range of 0.2 to 10 bar and ambient and medium temperatures from -10 to 60 °C, utilizing filtered compressed air with a 40 µm filtration that can be either lubricated or unlubricated. Constructed with a nickel-plated screw-in stud, NBR seals, and a wrought aluminum alloy regulating screw, the device achieves a standard nominal flow rate of 83 l/min in the flow control direction and 72 to 83 l/min in the non-return direction. 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 165664. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.