本采购规范涵盖由耐腐蚀镍基合金制成的管状螺旋弹簧销，其类型在统一编号系统UNS N07718中确定。主要用于提供一种弹簧销，其构造可防止通过弹簧作用减小销直径。

This procurement specification covers tubular-shaped, coiled spring pins made of a corrosion resistant nickel base alloy of the type identified under the Unified Numbering System as UNS N07718.Primarily to provide a spring pin constructed to resist reduction in pin diameter by means of spring action.