D.O.T. Air Brake - Copper Tubing

  • Typical Application

  • Air brake systems.
  • Pressure

  • Maximum operating pressure of 150 PSI.
  • Vibration

  • Fair resistance.
  • Temperature Range

  • -65°F to +250°F (-53°C to +121°C).
  • Material

  • CA360 Brass.
  • Used With

  • Copper Tubing in air brake systems.
  • Tolerance

  • +/- .02 on all dimensions. Dimension Data can change without notice. Please contact us when dimensions are critical.
  • Advantages
    Easy to assemble (no flaring). May be used with nylon tubing by replacing long nut and spherical sleeve with insert, rigid sleeve and nut.
  • Conformance
    Meets specifications and standards of SAE and DOT.
Assembly Instructions
  1. Cut tubing to desired length. Make sure all burrs are removed and the ends are cut square.
  2. Slide nut and then sleeve on tubing. Threaded end of nut must face toward fitting body.
  3. Insert tubing into fitting. Be sure tubing is bottomed on fitting shoulder.
  4. Thread nut onto fitting body until it is hand tight.
  5. From that point, tighten with a wrench the number of turns indicated in the chart below:

Tube Size
Additional Number of Turns from Hand-Tight
1/4, 3/8
1-3/4
1/2, 5/8, 3/4
3-1/4