This SAE Standard specifies the performance tests and requirements for hydraulic brake hose assemblies used in the hydraulic braking system of a road vehicle. It also specifies the methods used for identification of the hose manufacturer. 

This document applies to brake hose assemblies made of a hose fabricated from yarn and natural or synthetic elastomers and assembled with metal end fittings for use with nonpetroleum-base brake fluids as specified in SAE J1703, SAE J1704 and SAE J1705. 

The nominal internal diameter of the brake hose shall fall within one of the following values: 

a. less than 4 mm (1/8 in or less) 

b. 4 to 5 mm (3/16 in)