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SAE AS4459

(R) Fittings, Tube, Fluid System 3000 psig (21 000 kPa) Rated Pressure, Externally Swaged, Specification For

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Organization: SAE
Publication Date: 1 March 2013
Status: active
Page Count: 24
scope:

This SAE Aerospace Standard (AS) establishes the requirements for externally swaged tube-fitting assemblies used in aircraft fluid systems in the following pressure classes: B (1500 psi or 10 500 kPa), and D (3000 psi or 21 000 kPa), and in temperature types I (-65 to 160 °F or -55 to 70 °C), and II (-65 to 275 °F or -55 to 135 °C) of AS2001.

This specification covers a common Cres, titanium, and aluminum fittings that may be used for a range of operating pressures up to 3000 psi with different tubing materials and tubing wall thicknesses, and is assembled with the same tooling in accordance with AS5902. Table 10 shows applicable aerospace fitting part number standard and tubing materials and operating pressures.

Classification

Fittings shall be of the following types and system pressure classes as specified:

Classes:

Class B (1500 psi): Maximum supply pressure is 1500 psig (10 500 kPa).

Class D (3000 psi): Maximum supply pressure is 3000 psig (21 000 kPa).

Document History

SAE AS4459
March 1, 2013
(R) Fittings, Tube, Fluid System 3000 psig (21 000 kPa) Rated Pressure, Externally Swaged, Specification For
This SAE Aerospace Standard (AS) establishes the requirements for externally swaged tube-fitting assemblies used in aircraft fluid systems in the following pressure classes: B (1500 psi or 10 500...
October 1, 2000
Fittings, Tube, Fluid System (3000/4000 psig Rated Pressure), Externally Swaged, Specification for
Scope: This SAE Aerospace Standard (AS) establishes the requirements for externally swaged tube fittings for use in hydraulic and other aerospace fluid systems in temperature range of −65 to 275 °F....
October 1, 2000
(R) Fittings, Tube, Fluid System (3000/4000 psig Rated Pressure), Externally Swaged, Specification for
This SAE Aerospace Standard (AS) establishes the requirements for externally swaged tube fittings for use in hydraulic and other aerospace fluid systems in temperature range of −65 to 275 °F.
December 4, 1992
Fittings, Tube, Fluid System, 3000 psig Maximum, Permanently Attached, Specification for
This SAE Aerospace Standard (AS) establishes the requirements for MIL-H-5440 Class II permanently attached tube fittings for use in hydraulic and other aerospace fluid systems. Classification:...

References

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