本SAE零件标准涵盖根据ASTM国际和SAE紧固件标准制造的选定英制螺钉、螺栓、结构螺栓和螺母。附录A涵盖了用于制造特定材料装配螺栓的螺栓毛坯。本文件涵盖了船舶系统和设备中经常使用的紧固件材料，但其使用可能适用于使用覆盖材料紧固件的任何地方。本文件允许按照本文件中定义的零件识别号（PIN）对紧固件进行识别和订购。

This SAE Part Standard covers selected inch screws, bolts, structural bolts, and nuts manufactured in accordance with ASTM International and SAE fastener standards. Appendix A covers bolt blanks to manufacture fitted bolts of specific materials. This document covers fastener materials often used in ship systems and equipment but its use may be applied wherever fasteners of the covered materials are used. This document permits the fasteners to be identified and ordered by a part identification number (PIN) as defined in this document.