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 1646826 is a double-acting industrial component conforming to ISO 15552, featuring a 100 mm piston diameter, a 500 mm stroke, and an M20x1.5 external piston rod thread. Constructed with a piston, piston rod, tie rod, and cylinder barrel, this variant operates at pressures from 0.04 MPa to 1.2 MPa utilizing compressed air per ISO 8573-1:2010 [7:4:4] and includes self-adjusting pneumatic end-position cushioning with a 31 mm cushioning length. It provides position sensing via proximity switch, a theoretical retracting force of 4418 N at 6 bar, an ambient temperature range of -20 °C to 80 °C, and moderate corrosion resistance class 2. 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 1646826. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.