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 173405 is a 5/2 monostable industrial component featuring an electrical actuation type, a 17.8 mm width, and a standard nominal flow rate of 600 l/min with a working pressure ranging from -0.9 to 10 bar. Built with a piston slide design structure, mechanical spring reset, soft sealing principle, and IP65 protection class, this piloted unit supports external pilot air supply, reversible flow direction, and throttleable exhaust-air functions. It includes a nominal size of 5 mm, an 18 mm grid dimension, positive overlap lap, and operates with a pilot pressure of 3 to 6 bar in any assembly position with c UL us - Recognized (OL) authorization and detenting manual override via accessories. 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 173405. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.