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    3/4″ Stainless Steel Tube Insert for Nylon Air Brake Tubing

    Part #: TRS-S763AB-12

    Stainless steel tube insert designed to support 3/4″ OD SAE J844 nylon tubing during air brake assembly. Prevents collapse and ensures leak-free sealing under high vibration and pressure. Drop-in design allows easy installation and reliable engagement with DOT fittings.