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 558817, is a standard L-shaped push-pull pneumatic fitting featuring a 2.5 mm nominal width, an M5 external thread with a sealing ring, and a connection for 4 mm outside diameter pneumatic tubing. Engineered with a silver releasing ring and an internal hexagon AF 3 mounting type, it operates within a pressure range of -0.95 bar to 16 bar and an ambient temperature range of -20 °C to 70 °C using compressed air as per ISO 8573-1:2010 [7:-:-]. Each pack size contains 10 RoHS-compliant units, weighing 10.1 g each, with a nominal tightening torque of 1 Nm and a CRC rating of 1. 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 558817. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.