本SAE航空航天标准（AS）涵盖了所有类型的手动操作高压氧气管路切断阀，这些阀门使用金属或非金属阀座，用于普通和商用飞机。本文件旨在定义手动高压氧气管路切断阀的设计、制造和测试的一般最低标准。

This SAE Aerospace Standard (AS) covers all types of manually operated high pressure oxygen line shut off valves utilizing either metallic or nonmetallic valve seats for use in general and commercial type aircraft.The purpose of this document is to define general minimum standards for the design, fabrication, and test of manually operated, high pressure oxygen line shut off valves.