Why does the US military organize supplies into 10 different classes?

Precious for the correct organization of the supplies is a basic premise of the scope of the administration, including in the military sector. That is, the US military organizes supplies and materials into 10 different grade classes because it has been agreed to the best way to induce efficient supply chain management.

In this context, items are divided based on purchase, packaging, storage, handling, and transportation requirements. In turn, these requirements can be categorized as environmental, end use, shelf life, among other specifications.