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Standard

Coupling Assembly, Threadless, Flexible, Self-Locking, Fixed Cavity, High Conductivity, Self-Bonding, Part Specification

2023-12-18
CURRENT
AS7510B
This SAE Aerospace Standard (AS) defines the requirements for a threadless, flexible, high conductive, self-bonding coupling assembly which, when installed on defined ferrules, provides a flexible connection for joining ducting and components in pressurized fluid systems. The assembled coupling is designed to provide interchangeability of parts and components between qualified manufacturers for use from -65 to +265 °F at 130 psi nominal operating pressures and for the service life of the aircraft system. FAR 23.954, FAR 25.603, FAR 25.605, FAR 25.609, FAR 25.613, FAR 25.901, FAR 25.954, and FAR 25.981 certification requirements have identified the need for high-current capable flexible fluid assembled couplings. The coupling assembly does not require inspection or maintenance to remain current capable for the life of the aircraft.
Standard

Tube Bending Radius

2023-11-21
WIP
AS130B
This standard establishes basic design criteria including preferred bend radii, straight lengths between bends, flattening and surface conditions in the bend area. Also included is a table of preferred tubing sizes and wall thicknesses and a formula for determining a minimum bend radius for a given tube diameter.
Standard

Fluid Fittings - Jump Size Limitations

2023-11-16
CURRENT
ARP5102A
For tube fitting standards with reduction/expansion, to provide precautions against the use of large changes in tube size.
Standard

Torque Requirements, Installation and Qualification Test, Hose and Tube Fitting

2023-11-16
CURRENT
ARP908D
This Aerospace Recommended Practice (ARP) is intended to establish recommended installation torque value limits and test criteria for machined flared and flareless hose and tube end fitting connections. Assembly of bite-type MS21922 flareless sleeves is not included in this ARP (see MIL-F-18280). This ARP is applicable to two types of connections and two basic material classifications.
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