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 186121 is an L-shaped industrial component featuring a standard size, a 6.7 mm nominal width, and an 18.1 mm tubing insertion depth utilizing a push-pull structural design with an external hexagon SW20 mounting type. It operates with compressed air or liquid water across an ambient temperature range of -10 °C to 80 °C, supporting a nominal tightening torque of 15.5 Nm with a ±20% tolerance and a low corrosion stress classification of CRC 1. Each pack contains 10 units with a product weight of 30 g each, incorporating a sealing ring on the screwed plug for mounting in any position. Submit the exact part number, quantity, and application requirements for 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 186121. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.