Coupling Assembly, Threadless, Flexible, Fixed Cavity, Self-Bonding, Procurement Specification

Standard:
Revised:
  • 2017-12-07
 
  • CURRENT
Publisher:
  • SAE International
Pages:
29
Scope:

This SAE Aerospace Standard (AS) defines the requirements for a threadless, flexible, self-bonding coupling assembly which, when installed on machined fixed cavity ferrules, provides a flexible connection for joining tubing and components in aircraft fuel, vent or other systems. This assembled coupling, hereafter referred to as the assembly, and is designed for use from -65 to +400 °F and at 125 psig nominal operating pressure.

AS1650 was not designed for the new certification requirements for flammable leakage zones and fuel tanks for lightning protection and assembly redundancy. As such their use and installation may require additional efforts and equipment to support new FAA CFR compliance. The AS7510 flexible coupling should be the preferred coupling for use in flammable leakage zones and fuel tanks that require service life and functionality for lightning protection and part redundancy.

Rationale:

Added qualification by similarity guidelines, updated Figure 1 graphics, and corrected referenced sections in 4.6.3.3.2. Added reference to AS7510 for FAR compliant coupling usage. Revised Figure 1 to improve graphics.

History:
Standard Published Revision Status
AS1650E 2017-12-07 Latest Revised
2017-07-10 Historical Revised
2016-02-26 Historical Revised
2010-08-24 Historical Revised
2005-06-02 Historical Reaffirmed
1998-03-01 Historical Reaffirmed
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