本规范涵盖了在-40摄氏度至200摄氏度温度范围内用于反冲机构、地面车辆和设备液压系统的一种合成碳氢化合物基液压液（见6.1）的要求。这种液压流体不会用于飞机系统、飞机地面支持设备或飞机部件的保存。

This specification covers the requirements for one type of synthetic hydrocarbon base hydraulic fluid (see 6.1) for use in the -40 degrees C to 200 degrees C temperature range in recoil mechanisms and ground vehicle and equipment hydraulic systems. This hydraulic fluid will not be used for aircraft systems, aircraft ground support equipment, or the preservation of aircraft components.