1/4" Universal Coupler, 1/4" FPT

FAQs

Q: What does “automatic universal” mean?
A: The coupler automatically locks to Industrial, Automotive, or ARO plugs using a four-ball mechanism and internal valve—no manual twisting needed. Designed for high-traffic environments.

Q: What thread size should I use for attaching this coupler?
A: Use standard ¼″ male NPT fittings—compatible with most pneumatic hose fittings and adapters.

Technical Resources

Couplers & Connector Sizing Chart

As part of the versatile “U‑Series” automatic universal couplers, the 150U is ideal for fast-paced environments requiring one-handed, secure connections across multiple plug standards. Durable, reliable, and made in the USA.

Need multiple connectors?
Browse Lincoln interchange fittings, reference the sizing chart, or contact us to get personalized help!