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 173942 is an electrical industrial component featuring a 2x3/2 open, monostable valve function and a 14 mm width with a piston slide design structure. Operating at a working pressure of 3 to 10 bar, this piloted unit delivers a standard nominal flow rate of 550 l/min utilizing compressed air in accordance with ISO8573-1:2010 [7:4:4]. It incorporates an air spring reset mechanism, soft sealing principle, non-reversible flow direction, and detenting manual override accessible with accessories. 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 173942. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.