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 177821 is a double-acting industrial component featuring a 6-inch stroke, a 1 1/4-inch piston diameter, and a 3/8-24 UNF-2A male piston-rod end based on the ISO 15552 standard. Designed with a piston, piston rod, and profile barrel, it operates on compressed air complying with ISO 8573-1:2010 [7:4:4] within a pressure range of 0.06 to 1.2 MPa and handles an ambient temperature range of -20 to 80 °C. This model includes adjustable pneumatic cushioning at both ends (PPV) with a 20 mm cushioning length, position detection for proximity sensors, and a moderate corrosion resistance classification of CRC 2. Submit the exact part number, quantity, and application requirements to receive a formal 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 177821. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.