1 Scope
This International Standard specifies performance and quality requirements for the
qualification and manufacture of standard tube fittings to ensure reliable performance
in aircraft hydraulic 5 080 psi (35 000 kPa) systems.
This International Standard specifies baseline criteria for the design and manufacture
of system fittings that are qualification tested on engines.
This International Standard covers fittings from size –04 to –20 used for the following:
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— separable/permanent pipe end fittings;
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— permanent connection fittings;
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— separable connection fittings.
This International Standard covers fittings of the temperature types and pressure
classes specified in ISO 6771.