本SAE标准提供了与SAE J517中规定的液压软管一起使用的最常见软管配件的通用和尺寸规范，这些软管配件用于移动和固定设备上的液压系统。第1节至第17节中包含的一般规范适用于所有液压软管接头，并补充了本文件后面章节中包含的100R系列接头的详细规范。本文件仅在制造商和用户同意的范围内用作采购文件。 有关软管规格和软管组件的信息，请参阅SAE J517。SAE J1273包含有关影响软管接头、软管和软管组件的应用因素的信息。由SAE J516配件和SAE J517软管组成的软管总成的额定工作压力不得超过两个工作压力额定值中的较低值。以下是本文件中包含的软管接头类型:45°阳螺纹和阴螺纹扩口软管接头应如37°扩口图和表所示。建议如果需要阶梯尺寸或其他类型的配件，其设计应符合本文件中可能适用的规范。 以下通用规范应补充表中关于所有未指定细节的尺寸数据。

This SAE Standard provides general and dimensional specifications for the most common hose fittings used in conjunction with hydraulic hoses specified in SAE J517 and utilized in hydraulic systems on mobile and stationary equipment.The general specifications contained inSections 1through17are applicable to all hydraulic hose fittings and supplement the detailed specifications for the 100R-series fittings contained in the later sections of this document.This document shall be utilized as a procurement document only to the extent agreed upon by the manufacturer and user.Refer to SAE J517 for specifications of hose and information on hose assemblies. SAE J1273 contains information on application factors affecting hose fittings, hose, and hose assemblies.The rated working pressure of a hose assembly comprising SAE J516 fittings and SAE J517 hoses shall not exceed the lower of the two working pressure rated values.The following are hose fitting types contained in this document:Male and female 45-degree flare hose fittings shall be as shown by the 37-degree flare figures and tables.It is recommended that where step sizes or additional types of fittings are required, they be designed to conform with the specifications of this document insofar as they may apply. The following general specifications shall supplement the dimensional data contained in the tables with respect to all unspecified detail.