D.O.T. Air Brake Brass Fitting Nuts for NTA Nylon Tubing

D.O.T. Nylon Tube Air Brake Fitting Nuts Pick your size: 1/4", 3/8", 1/2", 5/8", 3/4" Free Shipping on all USA orders!  Materials: CA360, CA345 Vibration Resistance: Excellent Working Pressure: 150 PSI Maximum based on tubing size ALWAYS consult tubing specificationsConformance: Meets requirements of SAE and DOT as indicated by configuration Applications: Air brake systems on heavy trucks and trailers that are plumbed with nylon tubing. ng must be able to be flared.Temperature Range:-40 to +200°F-40 to +93°C Reduces maintenance costs and assembly timeAssures safe, reliable nylon air brake tube assembliesNo special tube prep required Wide range of sizes and styles Ribbed sleeveFaster, more reliable assemblyOne-stop shop for all needsDesigned especially for nylon tubingAssembly Instructions:Cut tubing squarely and remove burrs Slide tubing into the preassembled fitting until the tube bottoms Tighten with a wrench as follows:1/4 - 3/8: 1 3/4 Additional Turns 1/2 - 3/4: 3 1/4 Additional Turns DO NOT OVER TIGHTEN OR TUBING MAY SPLIT