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177.5012

NYLON TUBING 3/4

This is 3/4-inch outer diameter black nylon tubing designed for heavy-duty truck and trailer air brake systems. It is a double‑wall (Type B) construction with a seamless nylon core reinforced by a synthetic fiber braid and a protective nylon cover, meeting SAE J844 and DOT FMVSS 571.122 standards. The tubing handles operating temperatures from -40°F to 200°F and withstands up to 150 psi working pressure. Sold by the foot, it is used to repair or replace air lines in brake, suspension, and auxiliary air systems on commercial vehicles.