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 173030 is an electrical 5/3 pressurized industrial component featuring a piston slide design structure with positive overlap and a soft sealing principle. It offers a standard nominal flow rate of 400 l/min, a nominal size of 5 mm, a 17.8 mm width, an 18 mm grid dimension, and operates within a working and pilot pressure range of 3 to 8 bar. This c UL us recognized unit provides IP65 protection, mechanical spring reset, internal pilot air supply, non-reversible flow direction, throttleable exhaust-air function, and can be mounted in any assembly position with detenting manual override available via accessories. Submit the exact part number, quantity, and application requirements to request a formal quote for this component.
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 173030. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.