Fuel Quantity Indicator, SB2C Helldiver, US Navy, WWII, Model 8DJ-4 Air Forces of USA Typically mounted on the rear

Typically mounted on the rear housing of a 50 cal machine gun from a side/waist gun position in the aircraft

made by Waltham to Air Corps US Army spec #94-27749

There were two complete M6 periscopes in brackets on the turret walls

It covers instruments

and P-51 Mustang according to their Maintenance Interchangeability Chart dated Feb 1945

Fuel Quantity Indicator, SB2C Helldiver, US Navy, WWII, Model 8DJ-4 Air Forces of USA Typically mounted on the rearThis is an exceptional specimen of the 4 tank Fuel Quantity Indicator made specifically for the WWII era US Navy Dive Bomber Curtiss SB2C Helldiver, made by General Electric, Type DJ 4, Model 8DJ4PDF. It also has the Federal Stock number stamped on its bottom, R88 I 2091 120, as well as the yellow USN anchor symbol stenciled on its side. This indicator measured the fuel quantity in the protected tanks in the left and right wing tank (each holding 105