3/8″ x 3/8″ Brass Bulkhead Coupling with Steel Nut – 1-15/16″ Length

This 3/8″ x 3/8″ bulkhead coupling features a steel nut and is designed for passing air brake tubing or hose through a frame rail, panel, or other structural barrier. Its brass body offers durability and corrosion resistance, while the included steel nut ensures secure fastening. The unit has a 1-15/16″ body length with a 3/8-18 NPT thread, enabling compatibility with standard pneumatic systems.