Tube Fittings and Adapters

Brennan manufactures a wide range of tube fittings and adapters that provide leak-tight connections and can stand up to high pressures and temperatures. Not only are they easy to install, but they also come in a wide variety of shapes, sizes, styles, and materials— including carbon steel and stainless steel.

Our high-quality and easy-to-use tube fittings, such as JIC fittings, NPT fittings, O-Ring Boss fittings, Weld fittings, nuts, caps, plugs and more, are what you need for the most demanding applications. Explore our large selection of fittings and adapters now.

  • 0403

    Bore-MJ Straight

  • 0404

    Bore-MP Straight

  • 0405

    Bore- FP Straight

  • 0406

    Bore-MJ Bulkhead Straight

  • 0800

    Bore-FPS Straight

  • 0900

    Bore-FJS Straight

  • 1404

    MP-FPS STRAIGHT

  • 1404-R

    MP-FPS Straight, Restricted or Blank

  • 1405

    FP-FPS STRAIGHT

  • 2104

    MSAE45-MP STRAIGHT. MALE SAE 45 DEGREE FLARE

  • 2111

    PL-FJS Straight

  • 2113

    PL-MP Straight

  • 2403

    MJ-MJ STRAIGHT

  • 2403-LH

    MJ-MJ STRAIGHT WITH LARGE HEX

  • 2404

    MJ-MP STRAIGHT

  • 2404-B

    MJ-MP Straight