本SAE标准规定了压燃式（柴油）发动机燃油喷射设备高压管接头组装的尺寸要求。它适用于带有1型和2型外螺纹连接器的60°内锥，以及直径不超过12 mm（含12 mm）的高压管道连接件的内螺纹管螺母和外锥型端部组件。

This SAE Standard specifies the dimensional requirements for the assembly of high-pressure pipe connections for compression-ignition (diesel) engine fuel injection equipment. It applies to 60 deg female cones with external threaded connectors types 1 and 2, and to the internal threaded tube nuts and male cone type end assembly of high- pressure pipe connections for tubes with diameters up to 12 mm inclusive.