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 159665 is a black TPE-U ester-based industrial component designed with a 6 mm outside diameter and a 4 mm inside diameter, featuring a 0.0192 kg/m unit weight and RoHS-compliant materials. Certified by TÜV under certificate B 013277 0527 00, this tubing operates with compressed air as per ISO 8573-1:2010 [7:-:-] across an ambient temperature range of -35 °C to 60 °C and supports energy chain installations with a minimum bending radius of 16 mm. Please submit the exact part number, quantity, and application requirements for an official 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 159665. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.