本规范规定了以下类型自锁螺母的要求:a.扳手螺母:即六角螺母和双六角螺母。b、 锚定螺母:即板形螺母、组合槽形螺母和柄形螺母。平板和组合槽形螺母的扳动螺母、柄螺母和螺母元件由耐腐蚀和耐热沉淀硬化铁基合金制成，其类型在统一编号系统下被识别为UNS S66286，在室温下具有160000 psi的轴向拉伸强度，室温试验前零件的最高调节温度为1200°F。

This specification establishes the requirements for the following types of self-locking nuts:a. Wrenching Nuts: i.e., hexagon and double hexagon nuts.b. Anchor Nuts: i.e., plate nuts, gang channel nuts, and shank nuts.The wrenching nuts, shank nuts, and nut elements of plate and gang channel nuts are made of corrosion and heat resistant precipitation hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286 and of 160,000 psi axial tensile strength at room temperature, with maximum conditioning temperature of parts at 1200 °F prior to room temperature testing.