Substitute cap for Army canteen. M1 Cap.
Suits same old 1 and 2 QT Army And NATO same old 28mm Army canteens
Features a valve for permitting ingesting with an army fuel masks on.
US Military M1 Canteen Cap Olive Drab Replacement.
Fits standard 1 and 2 QT military And NATO standard 28mm military canteens
Includes a valve for allowing drinking with a military gas mask on.