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 561981 is a single-acting rack and pinion industrial component featuring an actuator size of 100, an F12 flange hole pattern, and a 90-degree swivel angle with no cushioning. Operating on compressed air in accordance with ISO8573-1:2010 [7:4:4] within a working pressure range of 2 to 10 bar, this unit includes an end-position adjustment range of -4 to 8 degrees at 0 degrees and -8 to 4 degrees at 90 degrees. It is equipped with spring force in the closing direction, an ISO 5211 fitting connection, and a VDI/VDE 3845 NAMUR valve connection, while supporting any assembly position without position detection. Certified for hazardous locations, it meets ATEX category II 2G with c T6 gas protection, ATEX category II 2D with c 60°C dust protection, and an explosion-proof ambient temperature range of -20°C to +60°C. 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 561981. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.