Fitting Finder Chart Thread Identification About Us Clickherefor information and to read our return policy. BRASS FITTINGS Brass Air Brake Fittings:Brass Air Brake Hose Fittings,Brass Air Brake Tube Fittings for Copper Tubing,Brass Air Brake Tube Fittings for Nylon TubingandBrass Push-In Tube Fittin...