Fuel Quantity Indicator, GE Type 8DJ1LAS, 115 Gal, R88-I-2025 US Navy F4F WW2 as appeared on the flight

as appeared on the flight engineers panel of aircraft of the US Navy such as the patrol bomber / seaplane PBM-5 Mariner (see illustration showing the location on the panel from the PBM-5 flight manual dated 1944)

fighters P-38

It has "B-50" stamped on the rear case

The pilot merely presses the clearly marked button and turns it until the dot and cross in the annunciator window (two o'clock in the dial rim) alternate steadily

Fuel Quantity Indicator, GE Type 8DJ1LAS, 115 Gal, R88-I-2025 US Navy F4F WW2 as appeared on the flightHere is a main tank Fuel Quantity Indicator as used in a US Navy aircraft as evidenced by the yellow USN anchor symbol stamped on its side. We've been told that this was used in a version of the F4F Wildcat fighter, but although we've not confirmed via part number, the its full capacity matches that of the F4F main fuel tank according to its flight manual. Measures 3. 25in diameter and ~ 2. 5in deep. The stock number R88 I 2025 is also stamped in