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 3660629 is a double-acting industrial component featuring a 40 mm piston diameter, a 300 mm stroke, and an M12x1.25 external piston rod thread conforming to ISO 15552. Designed with a profile barrel structure and adjustable pneumatic cushioning at both ends, this unit operates within a pressure range of 0.06 MPa to 1.2 MPa and accommodates compressed air media per ISO 8573-1:2010 [7:4:4] across an ambient temperature range of -20 °C to 80 °C. It provides position sensing via proximity switch, a corrosion resistance class of CRC 2, and delivers a theoretical retracting force of 633 N at 6 bar. 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 3660629. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.