The Type 92 7.7mm machine gun (九二式七粍七機銃, Kyūni-shiki nana-miri-nana kijū) was developed for aerial use for the Imperial Japanese Navy in 1932.

Essentially a copy of the shroudless post-World War I aircraft-mounted version of the British Lewis gun, the Type 92 was fed with a 97-round drum magazine and used on a flexible mount.

The main external difference between the two models was the trigger guard, and cooling fins around the barrel and gas piston tube.

Neither the post-World War I British aircraft Lewis nor the Japanese copy featured the distinctive thick barrel shroud of the original gun (although ground-based versions generally retained it).

It was removed as it was found that the airflow past the aircraft was sufficient for cooling the barrel and eliminating the shroud reduced the mass.