This standard BS EN 3790:2001 Aerospace series. Pipe coupling 8°30'. Protective caps with internal threads is classified in these ICS categories:
49.080 Aerospace fluid systems and components
This standard specifies the characteristics for plastic caps for pipe couplings 8°30' used to protect the couplings during transportation, storage and removal of units in system, for aerospace applications. The caps incorporate an internal thread for screwing on to the threaded portion of a pipe coupling.
