Description
High-strength 3/4″ brass push-in tube support insert for reinforcing SAE J844 nylon air brake tubing. Designed to prevent tubing collapse and ensure a tight, durable seal within DOT air brake and pneumatic systems. Ideal for use in heavy-duty vehicles, trailers, and in-cab air controls. Ensures long-term system integrity in high-pressure applications.
Size: 3/4"



