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
This Festo double-acting industrial component, part number 8165691, features a 100 mm piston diameter and a 250 mm stroke within a profile barrel structural design conforming to ISO 15552. Operating at pressures from 0.04 MPa to 1.2 MPa utilizing compressed air as per ISO 8573-1:2010 [7:4:4], the unit incorporates self-adjusting pneumatic end-position cushioning, position sensing via proximity switch, and an external M20x1.5 piston rod thread delivering a theoretical retracting force of 4418 N at 6 bar. 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 8165691. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.