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 555640 is an industrial component featuring a width of 52 mm, a cast aluminum sub-base, and a product weight of 815 g based on the ISO 5599-2 norm. Engineered for an operating pressure range of -0.09 MPa to 1 MPa with an external pilot air supply port, this 24 V DC unit operates on compressed air according to ISO 8573-1:2010 [7:4:4] and accommodates oil lubrication. It provides IP65 and NEMA 4 protection in the mounted state across an ambient temperature range of -5 °C to 50 °C, utilizing through-hole mounting. 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 555640. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.