EN 6139:2020

Aerospace series - Cap, protective, non-metallic, for EN 6123 fitting ends

Publication date:   Feb 18, 2021

General information

60.60 Standard published   Sep 16, 2020


ASD-STAN Aerospace

European Norm

49.080   Aerospace fluid systems and components



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This document specifies the dimensions, tolerances and required characteristics of protective caps, non metallic, for EN 6123 fitting ends to seal fluid ports during transportation and storage in order to prevent
- contamination by moisture, fluids, chemicals and particles,
- spillage inside package or aircraft section,
- port and pipe end damages and
- port and pipe clogging due to plug ingestion.
Because of the cleanliness requirements, parts shall only be used once.

Life cycle


EN 6139:2020
60.60 Standard published
Sep 16, 2020