Description
The MS22073-4 is a genuine Textron Aviation circuit breaker of a type used within the aircraft's avionics or electrical circuits. It is fitted to the King Air 350 Fusion, King Air 350C FM-36 & On, King Air 350C Fusion, King Air 350i, King Air 360, King Air 360C, King Air B200GT, King Air B200GT Fusion or B200CGT Fusion, and Super King Air 350. It carries an export classification of ECCN EAR99.
Supplied directly by Textron Aviation as an original-equipment (OEM) part, the MS22073-4 meets the manufacturer's specification and keeps the aircraft configuration-correct, with clean traceability in the maintenance records.
Because the Beechcraft King Air aircraft share extensive structure and hardware, a single part like this is often common across several variants.
In an aircraft's electrical system, using the correct component preserves the circuit's designed behavior, reliability, and safety. Because aircraft parts are governed by strict airworthiness and traceability rules, fitting the OEM part rather than an unapproved equivalent keeps the installation eligible and the aircraft's records clean.
Genuine sourcing means the part matches the drawing exactly, so fit and function are known quantities rather than a gamble at installation.
Beechcraft was founded in Wichita, Kansas in 1932 by Walter and Olive Ann Beech, and has been part of Textron Aviation since 2014, uniting with Cessna and Hawker. With more than 7,700 delivered since 1964, the King Air is the most popular business turboprop family ever produced.
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