Description
The MS22073-3 is a genuine Textron Aviation circuit breaker that typically serves a role in an avionics or electrical circuit. It is fitted to the King Air 350 Fusion, King Air 350C FM-36 & On, King Air 350C Fusion, King Air 350i, and King Air 360. It carries an export classification of ECCN EAR99.
Because the MS22073-3 is an original-equipment (OEM) part sourced directly from Textron Aviation, it matches the exact specification and placement called out in the aircraft's type design and maintenance data — assurance a generic substitute cannot offer.
Across the Beechcraft King Air fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
Electrical and electronic components are defined by exact ratings and characteristics, so the specified part keeps the circuit performing as engineered. Choosing the genuine article over an unapproved part keeps mechanics' sign-offs clean and the aircraft's configuration exactly as certificated.
OEM parts arrive to the specification the type design was certified against, preserving both airworthiness and the airframe's documented configuration. Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value.
Beechcraft, founded in Wichita, Kansas in 1932, joined Cessna and Hawker under Textron Aviation in 2014, which today supports the worldwide Beechcraft fleet with genuine factory parts. The King Air first flew in 1964 and became the best-selling business turboprop in history — still built today as the King Air 260 and 360.
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