Classes of supply
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The United States Army divides supplies into ten classes of supply. The North Atlantic Treaty Organisation (NATO) uses only the first five, which NATO allies have agreed to supply to one another based on a NATO Standardization Agreement (STANAG). The other classes of supply remain in national hands.
- writing material, snack food, beverages, cigarettes, batteries, alcohol, and cameras—nonmilitary sales items).
- Repair parts and components to include kits, assemblies, and subassemblies (repairable or non-repairable) required for maintenance support of all equipment.
- Class X - Material to support nonmilitary programs such as agriculture and economic development (not included in Classes I through IX).
- Miscellaneous - Water, salvage, and captured material.
North Atlantic Treaty Organization classes of supply
- Class I - Items of subsistence, e.g., food and forage, which are consumed by personnel or animals at an approximately uniform rate, irrespective of local changes in combat or terrain conditions.
- Class II - Supplies for which allowances are established by tables of organization and equipment, e.g., clothing, weapons, tools, spare parts, vehicles.
- Class III - Petroleum, oil and lubricants (POL) for all purposes, except for operating aircraft or for use in weapons such as flamethrowers, e.g., gasoline, fuel oil, greases, coal, and coke. (Class IIIa - aviation fuel and lubricants)
- Class IV - Supplies for which initial issue allowances are not prescribed by approved issue tables. Normally includes fortification and construction materials, as well as additional quantities of items identical to those authorized for initial issue (Class II) such as additional vehicles.
- Class V - Ammunition, explosives, and chemical agents of all types.
(Source - NATO Logistics Handbook, November 2012)