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
This Festo industrial component, part number 546646, is a red TPE-U(PU) tubing featuring a 5/16 inch outer diameter, a 3/16 inch inner diameter, and a Shore hardness of A 98 +/-3. The tubing operates with filtered compressed air or vacuum at a temperature dependent working pressure of -14 to 150 psi, an ambient temperature range of -68 to 140 °F, and a minimum bending radius of 0.594 inches. Weighing 0.412 oz/ft, the copper-free and PTFE-free construction handles specialized pneumatic routing. Submit the exact part number, quantity, and application requirements for a 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 546646. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.