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
Engineered by Festo, part number 558251 is a 6 mm outside diameter and 4 mm inside diameter industrial component constructed from ether-based TPE-U with a product weight of 0.0183 kg/m. The tubing features a minimum bending radius of 10 mm, a flow rate relevant bending radius of 26 mm, and operates across a temperature range of -35 °C to 60 °C with a pneumatic connection designed for 6 mm outside diameter plug connections and 4 mitra barbed fittings with union nuts. It handles compressed air and ice-free liquid water under standard operating pressures from -0.095 MPa to 0.6 MPa, supports TÜV certification, and is suitable for Li-ion battery production with reduced Cu/Zn/Ni values. Submit the exact part number, quantity, and application requirements to request 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 558251. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.