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 525740 is a silver pneumatic tubing featuring a 6 mm outside diameter, a 4 mm inside diameter, and a Shore hardness of D 52 +/-3, manufactured from ester-based TPE-U material with RoHS compliance and UL94 HB fire testing conformity. Certified by TÜV under authority B 013277 0527 00, this component operates with compressed air as per ISO 8573-1:2010 [7:-:-] across an ambient temperature range of -35 °C to 60 °C and supports an operating pressure of -0.95 bar to 7 bar across its entire temperature range. It is suitable for energy chains, incorporates a 16 mm minimum bending radius alongside a 26.5 mm bending radius relevant for flow rate, and requires that any installation in contact with cables uses sheathing free from phosphoric acid esters. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 525740. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.