Tube joint fittings covered by this specification are intended for use in applications requiring a compact high strength tube joint fitting. Recommended maximum working pressures at room temperature are shown in Figure 1 and Figure 2. Do not use tubing double flared per AS33583 for 3/8 (-6) diameter tubing and smaller.

This specification covers a light weight series of flared rigid tube connector fittings for use in high temperature, high pressure pneumatic and hydraulic systems, fuel systems, cryogenic systems and other aircraft or missile applications.