指定配合尺寸和间隙尺寸。接地半部分的配合尺寸和特性应符合图1和表1中的要求。飞机的一半应与地面的一半匹配。为了连接和断开软管装置，飞机上用于容纳地半部分的间隙包络线应符合图2和表2的要求。

Specifies the mating and clearance dimensions. The mating dimensions and characteristics of the ground half shall conform to those in figure 1 and table 1. The aircraft half shall mate with the ground half. The clearance envelope in the aircraft to accommodate the ground half for the purposes of coupling and uncoupling the hose unit shall be in accordance with figure 2 and table 2.