The collapsible water canteen is intended for use in temperate and tropical environments for carrying drinking water.

The canteen is intended primarily for use in temperate and tropical environments for carrying drinking water.

The M1 canteen cap contains a hole that allows an external drinking tube of a chemical protective mask to be connected to the 1-quart or 2-quart canteen.

The Cold Weather Hydration Set (CWHS) consists of two wide mouth 32 oz. bottles with lids, two water bottle parkas with strap, and one cup. CWHS provides Marines a lightweight capability to carry and protect water from potentially harmfully contaminates, while also extending the temperature of the liquid. Additionally, the cup will provide a means to prepare food, drink and/or boil water.

The water canteen cup are for use with the plastic water canteen. The cup is used for drinking hot and cold liquids, soups, and stews in the field.

The stand is intended for use with the cup of the water canteen, and compressed ration heating fuel to heat water and individual components of the Meal, Ready-to-eat. The stand is designed to be carried in the water canteen cover, with the canteen cup nested inside the stand, and the canteen nested in the cup.

The cover is designed to serve as a protective carrier for the 2-quart collapsible water canteen. The cover can be carried with the shoulder strap or attached to the individual equipment belt.

The canteen cover is designed as a carrier for a one quart nominal capacity water canteen and cup.

The canteen cover accommodates a one-quart canteen and a cup. The lining on the inside of the canteen cover should be kept wet during hot weather in order to help keep the water in the canteen cool. The cover should be kept dry during cold weather, however, as the lining material provides limited protection in preventing the water in the canteen from freezing.

The canteen cover is similar to the M-1956 canteen cover but made of nylon.

The canteen/general purpose pouch has a variety of uses.

Military specification MIL-C-40162 covers a canteen cover fabricated from cotton duck, and pile or felt liner material.

Military specification MIL-C-43103 covers one type of plastic water canteen having a capacity of one quart nominal.

Military specification MIL-C-43603 covers a 2-quart capacity collapsible, plastic water canteen with or without a cover.

Military specification MIL-C-43689 covers one type and size of cover, for a collapsible canteen, made of olive green nylon duck and acrylic fiber pile with a cotton webbing sling.

Military specification MIL-C-43742 covers one type and size canteen cover fabricated from nylon cloth, nylon webbing and acrylic pile liner material.

Military specification MIL-C-43761 covers one type and size of corrosion-resisting steel canteen cup with a folding wire handle.

Military specification MIL-C-51278 covers a plastic canteen water cap for the 1 quart and 2 quart field drinking water canteens.

Military specification MIL-C-88 covers one type and size of corrosion-resisting steel canteen cup.

Military specification MIL-S-44221 covers aluminum stands for heating water and individual ration components in canteen cups.