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 165866 is a Bourdon-tube pressure gauge featuring a 40 nominal size and a central rear-side G1/8 pneumatic connection for line installation. Built with a black ABS housing, a PS viewing window, and brass media-contacting components, it operates within an indicating and working pressure range of 0 to 16 bar. This device conforms to EN 837-1, provides a measurement accuracy class of 2.5, features an IP43 protection class, and functions within medium and ambient temperatures of -20 to 60 °C using neutral liquids and gases. Submit the exact part number, quantity, and application requirements to receive 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 165866. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.