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 8139791 is a double-acting pneumatic parallel gripper featuring two gripper jaws with a size of 12, a complete stroke of 24 mm, and a stroke per gripper jaw of 12 mm. This flat-mounting industrial component utilizes a gear rack and pinion structural design with a ball guide, operating at pressures between 0.1 MPa and 0.7 MPa with elastic cushioning rings or pads at both ends. It achieves a repetition accuracy of 0.02 mm, a maximum operating frequency of 2 Hz, a minimum opening time of 75 ms at 6 bar, and position sensing via a proximity switch. Please 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 8139791. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.