This standard BS EN 4550-1:2014 Aerospace series. Pipe coupling, 37°. Design configuration. Inch series is classified in these ICS categories:
49.080 Aerospace fluid systems and components
This European Standard defines the dimensions and tolerances for the male sealing end of inch series pipe couplings, 37°, spherical, for aerospace applications.
Matched fluid system component shall have a female sealing end in accordance with EN 4550-4.
