MIL-M-45920, MILITARY SPECIFICATION: MACHINE GUN, AIRCRAFT 7.62MM. M134 (GAU-2B/A) (30 JUL 1971)

MIL-M-45920, MILITARY SPECIFICATION: MACHINE GUN, AIRCRAFT 7.62MM. M134 (GAU-2B/A) (30 JUL 1971)., This specification covers one type of multi-barrel, electrically driven, 7.62-millimeter (mm) machine gun for installation in aircraft armament systems.