规定了喷嘴支架安装和互换性所需的尺寸要求。一些图说明了形状、尺寸和公差，以及相关的参考数量。燃油进口和泄漏连接的位置未定义，因为它们根据具体应用而不同。

Specifies the dimensional requirements necessary for mounting and interchangeability of nozzle holders. Some figures illustrate shapes, dimensions and tolerances, and reference quantities of concern. The location of the fuel inlet and leak-off connections are not defined, because they vary according to the particular application.