Which Technical Order (TO) contains information about Special Purpose Recoverable Authorized Maintenance (SPRAM) items?

The correct choice is the -21 Technical Order (TO), as this classification specifically pertains to items used for maintenance and repair of equipment. Within the context of Air Force operations, the -21 TOs focus on maintenance procedures, including details about Special Purpose Recoverable Authorized Maintenance (SPRAM) items, which are essential for accomplishing various maintenance tasks effectively.

SPRAM items are unique in that they are not only authorized for maintenance use but are also recoverable, meaning they can be reused after a specific maintenance action. Thus, the -21 TOs serve as crucial resources to inform maintainers about the nature, handling, and accountability of these items, ensuring optimal readiness and operational efficiency.

In contrast, the other choices represent different categories of TOs, which focus on other aspects of equipment and maintenance processes. The -31 TOs are oriented towards troubleshooting and repair of specific systems, while the -41 TOs generally focus on supply chain management of parts and equipment. The -51 TO series relates to handling and maintenance for specific types of operational equipment. Each of these has its distinct purpose, underscoring the importance of referencing the appropriate TO depending on the maintenance need or context.