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 558250 is an industrial component featuring a 4 mm outside diameter and a 2.6 mm inside diameter, constructed from ether-based TPE-U material with UL94 HB fire test compliance. It operates across an ambient temperature range of -35 °C to 60 °C, supporting compressed air and liquid water mediums within defined pressure parameters and energy chain applications. Certified by TÜV under authority B 013277 0527 00, this component maintains VDMA24364-B2-L LABS conformity and suitability 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 558250. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.