承包商提供的（CF）操作空间项目（OSI）要求为承包商提供的专用工具、机床、附件、支撑和测试设备以及其他操作空间项目的余量设备清单（AEL）和松散硬件清单的编制提供了依据。

The Contractor Furnished (CF) Operating Space Items (OSI) Requirements provide the basis for development of Allowance Equipage Lists (AELs) and loose hardware lists for special tools, machine tools, accessories, support and test equipment, and other Operating Space Items to be furnished by the Contractor.