Which class of supply includes petroleum, oils, and lubricants?

Petroleum, oils, and lubricants are classified under Class 3 of supply. This classification focuses on all types of fuel and lubricants necessary for the operation and maintenance of military equipment and vehicles. Class 3 plays a critical role in ensuring that machinery runs efficiently, which is essential for mission readiness. Understanding this classification is vital for Unit Supply Specialists, as it involves the management, distribution, and accountability of these essential items in military logistics.

Other classes of supply pertain to different categories of materials, such as Class 1 for rations, Class 2 for clothing and individual equipment, and Class 4 for construction and barrier materials. Each class serves a unique function, but Class 3 specifically addresses the needs related to fueling and lubrication, making it crucial for operational effectiveness.