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 8217839 is a double-acting industrial component featuring a 1 1/16" piston diameter, a 0.5 in stroke, and a 5/16-24 UNF-2A piston rod thread with an external end. Operating on compressed air per ISO 8573-1:2010 [7:4:4] within a 9.99 psi to 150 psi pressure range and an ambient temperature span of -40 °F to 300 °F, this RoHS-compliant unit weighs 0.36 lb and utilizes NBR seals without cushioning or position sensing. Please 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 8217839. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.