Annotation of standard text SAE AS4751A :
This SAE Aerospace Standard (AS) establishes the requirements for a grooved clamp coupling and flanges suitable for joining intermediate pressure and temperature ducting in aircraft pneumatic systems. The rigid coupling joint assembly, hereafter referred to as “the joint”, shall operate within the temperature range of -65 °F external ambient to +800 °F internal fluid.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Oct 2025 