本规范涵盖了紧密缠绕的螺旋线圈、螺纹嵌件，该嵌件由可时效硬化的镍基合金成型钢丝制成，其类型在统一编号系统UNS N07750中确定。插入线圈的内表面在组装成螺纹螺纹孔后，提供标准60度统一形式的内螺纹。

This specification covers closely-wound helical coil, screw thread inserts made from an age hardenable nickel base alloy formed wire of the type identified under the unified number system as UNS N07750. The inner surface of the insert coil, after assembly into a screw thread tapped hole, provides internal threads of standard 60 degrees unified form.