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 5251404 is an industrial component built in accordance with the EN 61984 norm, featuring a straight field device end with a round hybrid socket M40x1 connection technology, snap-locking mounting, 15 pins with 12 occupied, and without a label holder. Its control side utilizes plugs and cables with a straight cable outlet, a Sub-D and open end connection technology, 21 pins, and 12 occupied pins. This component supports a DC operating voltage range of 0 V to 850 V, an AC operating voltage range of 0 V to 630 V, a current rating of 31.9 A at 40° C, and a surge resistance of 6 kV. 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 5251404. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.