规定了由马氏体、沉淀硬化和马氏体时效不锈钢制成的零件的要求。提供去除污染物和获得航空航天应用的适当耐腐蚀性的实用方法。除非规定了表面涂层，否则最终表面处理是强制性的。

Specifies the requirements for parts made from martensitic, precipitation hardening and maraging stainless steels. Provides practical methods for removing contaminants and for obtaining suitable corrosion resistance for aerospace applications. The final surface treatments are mandatory except when a surface coating is specified.