本文件为设计标准，不得用作零件号。本标准描述了标准的无扩口配件端部，但螺纹和相关尺寸比MS 33514标准大一个尺寸。有关装配信息，请参见SAE/AS 1856。

This document is a design standard and is not to be used as a part number. This standard describes a standard flareless fitting end except that the thread and related dimensions are one size larger than the MS 33514 standard. See SAE/AS 1856 for assembly information.