This recommended practice documents dimensional metric specifications for hydraulic brake system tubing with flared ends@ threaded ports@ and male tube nuts for the interconnection of major components in automotive hydraulic brake systems. The purpose of this document is to recommend preferred metrically dimensioned components (including alternative choices)@ that are intended to be functionally compatible with International Organization for Standardization Specification@ ISO 4038-1977 (E). Some applications may require sizes or forms other than those shown herein@ and this document does not preclude such other details when they are required.
SAE J1290-1980 history
2012SAE J1290-2012 Automotive Hydraulic Brake System Metric Tube Connections
2002SAE J1290-2002 Automotive Hydraulic Brake System - Metric Tube Connections
1989SAE J1290-1989 Automotive Hydraulic Brake System - Metric Tube Connections@ Standard
1980SAE J1290-1980 Automotive Hydraulic Brake System - Metric Tube Connections