Description
The MS27407-1 is a genuine Textron Aviation switch used to make or break an electrical circuit. It is applicable to the 1900 Airliner, 1900C Airliner, 1900D Airliner, Bonanza 36, Bonanza F33, G33, F33A or F33C, Caravan or Grand Caravan EX, King Air 100, King Air 350 Fusion, King Air 350C FM-36 & On, and King Air 350C Fusion, among other compatible variants. It carries an export classification of ECCN EAR99.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the MS27407-1 is built to the aircraft maker's specification and cross-references the type design as documented in the maintenance data. Choosing the genuine part over an unapproved substitute preserves configuration control and simplifies inspection sign-offs.
Across the Beechcraft 1900, Beechcraft Bonanza, Cessna Caravan, Beechcraft King Air, Cessna Skyhawk, and Cessna Skylane fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
In an aircraft's electrical system, using the correct component preserves the circuit's designed behavior, reliability, and safety. OEM parts arrive to the specification the type design was certified against, preserving both airworthiness and the airframe's documented configuration.
Both the Cessna and Beechcraft lines are supported today by Textron Aviation, formed in 2014 to unite the two historic Wichita manufacturers with Hawker. The Beechcraft 1900, a 19-passenger regional airliner derived from the King Air, was produced from 1982 to 2002 and still serves commuter and cargo operators worldwide.
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