本SAE航空航天标准（AS）定义了适用于航空航天流体系统的缠绕式聚四氟乙烯（PTFE）内衬、金属增强软管组件的要求，1级组件的温度介于-65-400-mDF之间，2级组件的温度介于-65-mDF和275-mDF之间，工作压力符合表1。不建议在气动存储系统中使用这些软管组件。此外，超过本标准规定限值的安装，或本标准未具体涵盖的应用，应获得采购活动的批准。

This SAE Aerospace Standard (AS) defines the requirements for a convoluted polytetrafluoroethylene (PTFE) lined, metallic reinforced, hose assembly suitable for use in aerospace fluid systems at temperature between -65 \mDF and 400 \mDF for Class 1 assembly, -65 \mDF and 275 \mDF for Class 2 assembly, and at operating pressures per Table 1. The use of these hose assemblies in pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this standard, shall be subject to the approval of the procuring activity.