Gyro Horizon Indicator, AN-5736-1, Sperry 656768 B-24 part number 671K-03

part number 671K-03

as confirmed in its parts list dated 1957

and is marked "AC USARMY" on its face

It has a serial # prefix of AF49

sensitive) Altimeter of the German Luftwaffe

Gyro Horizon Indicator, AN-5736-1, Sperry 656768 B-24 part number 671K-03Here is WWII era vacuum driven Gyro Horizon Indicator Type AN 5736 1. According to the Maintenance Interchangeability Cross Reference Charts of the Air Forces US Army dated Dec 1943, this Gyro Horizon was ubiquitous in its use, appearing in bombers B 17, B 24, B 25 and others, as well as fighters P 38, P 40, P 47, and P 51. The knobs function. The center knob adjusts the indexing indicator for the view angle of the pilot. The caging knob pulls out and