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 558663 is a standard straight industrial component featuring a 6 mm nominal width and a push-pull structural design with an external thread G1/8 connection for 8 mm outside diameter pneumatic tubing. This part operates within a pressure range of -0.095 MPa to 1.6 MPa using compressed air per ISO 8573-1:2010 [7:-:-] and allows lubricated operation across an ambient temperature range of -20 °C to 70 °C. It includes a sealing ring on the screwed plug, an external hexagon SW13 and internal hexagon AF 6 mounting type with a nominal tightening torque of 6 Nm, and a silver releasing ring weighing 11.4 g with RoHS compliance and CRC 1 corrosion resistance. 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 558663. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.