7,62 ITKK 31 VKT or 7,62 mm VKT anti-aircraft machine gun was the primary anti-aircraft machine gun of the Finnish Army during World War II. The weapon was designed by the Finnish gunsmith Aimo Lahti. 507 weapons were produced in two versions, 7,62 ItKk/31 VKT and an improved 7,62 ItKk/31-40 VKT, between 1933 and 1944.
In the 1920s Finland was a young state, having just attained independence from Russian Empire. As a result of being part of Russia the vast majority of the armaments of the Finnish army was composed of old Tsarist Russian army equipment, and air defence weapons were few and obsolete. As part of the attempt to improve anti-aircraft armament it was decided to develop purpose-built anti-aircraft machine guns for the army since infantry Maxim machine guns were not adequate for the task. A development plan for 1930-1934 called for 125 heavy 13.2 mm machine guns and 125 7.62 mm machine guns. The task for designing the weapons was given to t