Midland Industries 710604SC Dot Male Run Tee Composite

Product Description

The MIDLAND INDUSTRIES 710604SC is a D.O.T.-rated composite male run tee designed for pneumatic plumbing lines in commercial and heavy-duty transport applications. The fitting features a 3/8-inch push-to-connect inlet, a 1/4-inch male NPT branch port, and a 3/8-inch push-to-connect outlet in a straight run-tee configuration. It is rated to 145 psi and handles temperatures from -40 to 140 degrees F, making it suitable for air brake and pneumatic supply lines where reliable, leak-free connections are critical. The positional swivel on the NPT port aids alignment during installation.

This fitting is used in air brake systems, pneumatic control lines, and compressed-air distribution on trucks, trailers, and commercial vehicles wherever D.O.T.-compliant fittings are required. The composite body keeps weight low while maintaining the pressure and temperature performance needed in fleet maintenance and mobile equipment environments. Plumbers and fleet mechanics working on air-system repairs or new builds will find the push-to-connect ends speed up assembly without sacrificing rated performance.

Key Features

• D.O.T.-compliant composite body for air brake and pneumatic line use
• Dual 3/8-inch push-to-connect ports on the run for tool-free tube insertion
• 1/4-inch male NPT branch with positional swivel for flexible port alignment
• Rated to 145 psi working pressure
• Wide temperature range: -40 to 140 degrees F
• 1/4-18 NPT thread on the male branch port

Compatibility

Designed as a D.O.T.-compliant OEM-style replacement or new-installation fitting for pneumatic and air brake line assemblies using 3/8-inch OD tubing with a 1/4-inch male NPT branch connection.

Installation Notes

Installation should be performed by a qualified technician familiar with D.O.T. air brake system regulations and applicable FMCSA requirements. Depressurize the air system completely before removing or installing any fittings. Push-to-connect ports require clean-cut, burr-free tubing ends for a proper seal; use a tube cutter rather than a saw. Verify the 1/4-inch male NPT thread is engaged fully and thread sealant is applied per shop practice before returning the system to service.