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 2256399 is an industrial component featuring a nominal length of 63.5 mm, a mass moment of inertia of 5.87 kgmm², and a transferable torque of 12.5 Nm with a maximum rotational speed of 8000 rpm. Weighing 450 g, this RoHS compliant unit includes an actuator interface code of D40, a motor-in interface code of 40G, and achieves an IP65 degree of protection while operating in ambient temperatures from -10 °C to 60 °C in any mounting position. It conforms to VDMA24364 Zone III LABS (PWIS) standards and is rated for storage temperatures between -25 °C and 60 °C at 0 to 95% relative air humidity. 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 2256399. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.