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 525444 is a blue industrial component featuring a 10 mm outside diameter, a 7 mm inside diameter, and a D 54 +/-3 Shore hardness with a product weight of 0.051 kg/m. Designed for compressed air and liquid water operation, it functions within an operating pressure range of -0.095 MPa to 0.7 MPa and an ambient temperature range of -35 °C to 60 °C. This TÜV-certified component complies with UL94 V-0 and V-2 fire tests and is suitable for energy chains with a 20 mm minimum bending radius. 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 525444. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.