SAE AS1227C

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.