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 558840 is a standard industrial component featuring an L-shape dual design with an F-outlet, a 5 mm nominal width, and a push-pull structural design. This component operates within a pressure range of -0.095 MPa to 1.6 MPa using compressed air according to ISO 8573-1:2010 [7:-:-], accommodating lubricated operation across an ambient temperature range of -20 °C to 70 °C. It is equipped with a G1/4 external thread, a connection for 6 mm outside diameter pneumatic tubing, a sealing ring on the screwed plug, and an internal hexagon AF 5 mounting interface with a nominal tightening torque of 7.5 Nm. Each pack size contains 10 RoHS-compliant units weighing 69.5 g each, featuring a silver releasing ring and CRC 1 low corrosion stress resistance. Submit the exact part number, quantity, and application requirements to request 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 558840. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.