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
This Festo industrial component, part number 558766, features a straight design with a nominal width of 3.5 mm and a standard size utilizing the push-pull principle. It connects a Ø 8 mm push-in sleeve to pneumatic tubing with a 4 mm outside diameter, housed in nickel-plated brass with an NBR tubing seal, a silver releasing ring, and a total product weight of 10 g. Operating within a pressure range of -0.095 MPa to 1.6 MPa (-0.95 bar to 16 bar, -13.775 psi to 232 psi) and an ambient temperature range of -20 °C to 70 °C, the unit handles compressed air per ISO 8573-1:2010 [7:-:-] with optional lubricated operation. Supplied in a pack size of 10, the RoHS-compliant part features a CRC rating of 1 and VDMA24364-B1/B2-L LABS conformity. 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 558766. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.