Aircraft Clock, Elapsed Time USAF USN MS28020LI Fairey Battle indicative of a manufacturing year

indicative of a manufacturing year 1943

25 inches square by ~4

25in diameter and 4in deep

So it is possible that there is some connection there

stub Axle diameter

Aircraft Clock, Elapsed Time USAF USN MS28020LI Fairey Battle indicative of a manufacturing yearThis is an original Cold War era Elapsed Time Clock, made for US military aircraft applications by Elgin (MS28020LI), and as used in aircraft carrier based Grumman Cougar F9F 5 and North American Fury FJ2 Jet Fighters. See photo of the cockpit of the F9F 5 from its flight manual dated 1955, showing the location of the clock. The clock winds and keeps time a few minutes. Has not been examined for accuracy or full functionality. The dial is 1 7 8 inches