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
This Festo industrial component, part number 3660616, is a double-acting pneumatic cylinder featuring a 40 mm piston diameter, a 25 mm stroke, and an M12x1.25 piston rod thread with an external thread at one end. Conforming to ISO 15552, the structural design incorporates a profile barrel with adjustable pneumatic cushioning at both ends, position sensing via proximity switch, and an operating pressure range of 0.06 MPa to 1.2 MPa. It delivers a theoretical retracting force of 633 N at 6 bar while operating within an ambient temperature range of -20 °C to 80 °C using compressed air as per ISO 8573-1:2010 [7:4:4]. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 3660616. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.