Description
The MS21254-2RS is a genuine Textron Aviation eye end supplied for use on the aircraft, with its precise function defined by the aircraft's parts data. It is fitted to the Baron Series B55, E55, 58 or G58, Bonanza 36, Bonanza F33, G33, F33A or F33C, Citation Excel, XLS, XLS+, XLS Gen 2, Citation III, VI or VII, King Air C90, C90A, C90GT or E90, King Air C90GTi, and King Air C90GTx. It carries an export classification of ECCN EAR99.
Because the MS21254-2RS 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.
Because the Beechcraft Baron, Beechcraft Bonanza, Cessna Citation, and Beechcraft King Air aircraft share extensive structure and hardware, a single part like this is often common across several variants.
As a factory-supplied item for a type-certificated aircraft, this part is defined by the manufacturer's specification and applicability data. Because substitutions on type-certificated aircraft require approved data, the genuine part is the straightforward, compliant choice for this application.
These aircraft are built by Textron Aviation, which unites Cessna (founded 1927) and Beechcraft (founded 1932) under one Wichita, Kansas company since 2014. The Baron — a twin-engine member of Beechcraft's piston line introduced in 1961 — shares much of its structure and hardware with the Bonanza.
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Applicable Aircraft
Baron Series B55, E55, 58 or G58
Bonanza 36
Bonanza F33, G33, F33A or F33C
Citation Excel, XLS, XLS+, XLS Gen 2
Citation III, VI or VII
King Air C90, C90A, C90GT or E90
King Air C90GTi
King Air C90GTx
King Air C90GTx Fusion