Pitot Tube Type D-1 AN5816-2 (1) C-45 The yellow paint on the

The yellow paint on the bottom was used to indicate if the pointer calibration screw had been tampered since last calibration (the paint is intact)

Measures ~1 1/8 inches high and wide

There is a small amount of debris under the glass

Ref 6A/4721

This indicator is in exceptional condition given its age

Pitot Tube Type D-1 AN5816-2 (1) C-45 The yellow paint on theThis is a WWII era Pitot Tube, Type D 1 (also AN5816 2), as used by aircraft of the US Army Air Force and US Navy, such as bombers B 24 Liberator, B 25 Mitchell, B 26 Marauder, and A 26 Invader, fighters P 39 Airacobra, P 40 Warhawk, and P 47 Thunderbolt, dive bomber SBD Dauntless, and torpedo bomber TBM Avenger. The pitot tube is part of the pitot static system that provides information to the pilot via pressure sensitive instruments such as the