本采购规范涵盖了带有可选端头的开口销（见图1），其由统一编号系统下标识为UNS S30200的耐腐蚀钢制成。主要用于在高达800华氏度的应用中需要耐腐蚀开口销来锁定零件的场合。

This procurement specification covers split cotter pins with optional ends (see Figure 1), made from a corrosion resistant steel of the type identified under the Unified Number System as UNS S30200.Primarily for use where a corrosion resistant cotter pin is required for locking parts in applications up to 800 degrees F.