This International Standard specifies the test procedures for, and Performance requirements and marking of hydraulic brake hose assemblies to be used in hydraulic braking Systems of road vehicles of which the nominal inside diameter of the hose is 3,2 mm or 4,8 mm. lt applies to brake hose assemblies made of a hose fabricated from cord and synthetic elastomers and assembled with meta end fittings for use with petroleum-base brake fluids in accordance with ISO 7308.