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 1646777 is a double-acting industrial component featuring an 80 mm piston diameter, a 160 mm stroke, and an M20x1.5 external piston rod thread conforming to ISO 15552. Operating at pressures from 0.04 MPa to 1.2 MPa utilizing compressed air per ISO 8573-1:2010 [7:4:4], this tie-rod cylinder provides adjustable pneumatic cushioning at both ends with a 31 mm cushioning length and delivers a theoretical retracting force of 2721 N at 6 bar. Constructed with a moderate corrosion resistance class of CRC 2 and VDMA24364-B1/B2-L LABS conformity, it supports any mounting position, position sensing via proximity switch, and ambient temperatures from -20 °C to 80 °C. 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 1646777. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.