Type 5 Canteen
The Type 5 Canteen was used by non-commissioned officers and soldiers of the Imperial Japanese Army. Contemporary primary sources refer to it as the "New Model Canteen." While the older tokkuri-shaped canteen had a capacity of 0.6 liters, the Type 5 Canteen was designed to hold 1 liter. It is said that variations in the stopper and strap cord were distinguished using terms such as Kō (甲), Otsu (乙), and Hei (丙), or alternatively, I-gō (伊号), Ro-gō (呂号), and Ha-gō (波号). However, I have not been able to locate any original historical sources that explicitly describe these classifications. The minor…