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 1646776 is an ISO 15552 compliant double-acting industrial component featuring an 80 mm piston diameter, a 125 mm stroke, and an M20x1.5 external piston rod thread. Operating within a pressure range of 0.04 MPa to 1.2 MPa and an ambient temperature range of -20 °C to 80 °C, this unit utilizes compressed air in accordance with ISO 8573-1:2010 [7:4:4] and includes adjustable pneumatic cushioning at both ends with a 31 mm cushioning length and 1.8 J end-position impact energy. The structural design incorporates a piston rod at one end, tie rods, a cylinder barrel, and position sensing via proximity switch, achieving a corrosion resistance class of 2 and a theoretical retracting force of 2721 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 1646776. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.