This standard BS EN 3853:2002 Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Straight unions, threaded is classified in these ICS categories:
49.080 Aerospace fluid systems and components
This standard specifies the characteristics of threaded straight unions for pipe couplings, 60° spherical, in TI-P64001, for aerospace applications. NOTE Assembly in accordance with TR 4052, port connection prEN 4051