本文件规定了EN 6123非金属保护帽的尺寸、公差和所需特性，用于在运输和储存过程中密封流体端口，以防止 -湿气、液体、化学品和颗粒物的污染、包装或飞机段内的溢出、端口和管道端部损坏以及因堵塞而导致的端口和管道堵塞。 由于清洁度要求，零件只能使用一次。购买本文件时可获得的所有当前修订均包含在购买本文件中。

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.All current amendments available at time of purchase are included with the purchase of this document.