Altimeter, Sensitive, AN-5761-1, 35,000 ft, US Navy WWII TBM Avenger P-2 Neptune 5 inches diameter and ~2

5 inches diameter and ~2 inches deep

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

This 175 page manual describes and illustrates ~85 aircraft of the Japanese Army and Navy

It has date stamp of January 1951 and Boeing tamper evidence seals

Altimeter, Sensitive, AN-5761-1, 35,000 ft, US Navy WWII TBM Avenger P-2 Neptune 5 inches diameter and ~2Here 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