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    1/4″ Brass Push-In Tube Support for SAE J844 Nylon Air Brake Tubing

    Part #: TRS-984-4W

    Durable 1/4″ brass push-in tube support insert for use with SAE J844 nylon air brake tubing. Engineered to reinforce tubing walls, prevent collapse, and maintain proper sealing in pneumatic and DOT-compliant air brake systems. Suitable for both on-road vehicle air brake applications and in-cab air control lines.