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 160521 is an L-shaped industrial component utilizing a push-pull structural design with a standard size and a 10.3 mm nominal width. Featuring an R1/2 external thread for pneumatic connection 1 and a connection for 12 mm outside diameter pneumatic tubing for pneumatic connection 2, this part incorporates a nickel-plated brass screwed plug with a coated seal and an external hexagon SW21 mounting. The housing and black releasing ring are both constructed to UL94 V-0 material fire test standards, supporting compressed air and liquid water operating media across an operating pressure range of -0.095 MPa to 1 MPa. 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 160521. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.