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 1646556 is a double-acting industrial component featuring a 40 mm piston diameter and a 320 mm stroke, conforming to ISO 15552 with a piston rod at one end having an M12x1.25 external thread. It operates at pressures from 0.06 MPa to 1.2 MPa using compressed air per ISO 8573-1:2010 [7:4:4] and includes adjustable pneumatic cushioning at both ends, position sensing via proximity switch, and a structural design comprising a piston, piston rod, tie rod 1, and cylinder barrel. Built with a moderate corrosion resistance class of 2, cleanroom suitability of ISO Class 5, and an ambient temperature range of -20 °C to 80 °C, this unit supports oil lubrication and can be mounted in any position. Submit the exact part number, quantity, and application requirements for 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 1646556. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.