Active standard | Published: 01/09/2026

SAE AS4459C

Fittings, Tube, Fluid System, 3000 psig (21000 kPa) Rated Pressure, Externally Swaged, Specification For

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Detail information

Designation: SAE AS4459C

Publication date: 01/09/2026

Pages: 0

Country: American technical standard

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Anotation

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 10500 kPa), and D (3000 psi or 21000 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 11 shows applicable aerospace fitting part number standard and tubing materials and operating pressures.

SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard

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