Pressure Gauge, 2000PSI, PN 12882-A, AN5771-4, similar to use in B-17, B-24 Pre-WW2 as used in early aircraft

as used in early aircraft of the US Army Air Corps

See photo of the Coronado's engineers panel showing the location of this instrument from the Flight Manual dated 1942

to align the line of firing with the line of the gunsight

It is in good condition given its age

and a service label dated 1966

Pressure Gauge, 2000PSI, PN 12882-A, AN5771-4, similar to use in B-17, B-24 Pre-WW2 as used in early aircraftHere is an aircraft Pressure Gauge, 0 2000PSI, made by Electric Auto Lite. Measures 2. 25in diameter and ~2in deep. According to the Maintenance Interchangeability gude dated Feb 1945, the AN5771 4 Pressure Gauge was used across many multi engine aircraft of the US Army Air Forces, including bombers B 17 Flying Fortress, B 24 Liberator, B 29 Superfortress, B 25 Mitchell, B 26 Marauder, and A 20 Havoc. It closely resembles the model used in these