Shelf-Life items are stored in separate locations based on what criteria?

The correct choice is based on the need to effectively manage and track military supplies to ensure safety and compliance with the Department of Defense regulations. National Item Identification Numbers (NIIN) are unique identifiers for items in the supply system, allowing for precise inventory tracking. Lot or batch numbers facilitate the identification of groups of items produced together, which is crucial for tracking shelf life, recalls, and ensuring that items meet quality standards.

By organizing shelf-life items based on NIIN and lot/batch, supply chain managers can systematically monitor expiration dates and manage stock rotations based on specific usage and storage conditions. This method not only aids in maintaining the integrity of the supplies but also ensures that personnel can access the most reliable and usable items quickly.

The other options, while they may have their own relevance in different contexts, do not prioritize the critical factors related to shelf-life management in military logistics. Items categorized by country of origin and price would not adequately address the imperative of monitoring expiration and ensuring safety. Similarly, while manufacturer and expiration date or type of product and weight are relevant to inventory management, they do not provide the specificity and traceability required for effective shelf-life management as the NIIN and lot/batch method does.