Road vehicles; Hydraulic braking systems; Pipes, tapped holes, male fittings and hose end fittings

This technical specification addresses critical components within hydraulic braking systems designed for road vehicles. It establishes comprehensive requirements and testing procedures for conductors, threaded holes, and external thread connections used in such fluid power circuits. The document defines precise geometric and dimensional characteristics necessary to ensure compatibility and safe operation across various vehicle manufacturers. It covers both rigid and flexible conduit arrangements, including specialized end fittings designed for hoses and pipes. The specifications focus on material properties, manufacturing tolerances, and assembly methods to maintain structural integrity under operational stress. By standardizing these elements, the document aims to facilitate the interchangeability of parts and support reliable brake performance. It provides detailed guidance on thread profiles, seal interfaces, and pressure ratings to prevent fluid leaks or mechanical failures. These guidelines serve as a foundational reference for engineers and manufacturers developing or maintaining automotive hydraulic braking architectures. The content ensures that all connected components meet rigorous quality standards essential for vehicle safety and regulatory compliance in international markets.