Altimeter, Sensitive, AN-5761-1, 35,000 ft, US Navy WWII TBM Avenger P-2 Neptune part number 1811-1-D

part number 1811-1-D

Likely made for an Israel Aircraft Industries (IAI) Westwind (formerly Aero Commander 1121 Jet Commander)

5 inches diameter and ~2 inches deep

A ring rotates a second lens

Altimeter, Sensitive, AN-5761-1, 35,000 ft, US Navy WWII TBM Avenger P-2 Neptune part number 1811-1-DHere is an early WWII era Sensitive Altimeter, US Navy AN 5761 1 (former Army Type C 14A), made by Pioneer. part number 1583 2Q A. This type of Altimeter was used across all aircraft of the Air Corps US Army, including heavy bombers B 17 and B 24, medium bombers, B 25 and B 26, Fighters P 38, P 39, P 40, P 47, and P 51, and transports C 46 and C 47, according to the Maintenance Interchangeability Chart dated Feb 1945. This one was made specifically