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 558679 is a standard straight industrial component featuring a nominal width of 7 mm, a G1/4 internal thread for pneumatic connection 1, and an 8 mm outside diameter connection for pneumatic tubing 2. Built with a nickel-plated brass housing, NBR tubing seal, and an external hexagon SW14 mounting type, this component operates across a pressure range of -0.095 MPa to 1.6 MPa with compressed air conforming to ISO 8573-1:2010 [7:-:-] and supports lubricated operation. Featuring a silver releasing ring, a CRC rating of 1, VDMA24364-B1/B2-L LABS conformity, RoHS compliant materials, and a product weight of 20.2 g, it functions within an ambient temperature range of -20 °C to 70 °C and is supplied in a pack size of 10. 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 558679. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.