Description
The MS21231-14 is a genuine Textron Aviation bearing that supports rotational or pivoting motion within a mechanism. It is fitted to the Beechjet 400/400A.
Supplied directly by Textron Aviation as an original-equipment (OEM) part, the MS21231-14 meets the manufacturer's specification and keeps the aircraft configuration-correct, with clean traceability in the maintenance records.
Because the Beechcraft aircraft share extensive structure and hardware, a single part like this is often common across several variants.
A bearing or bushing sets how a shaft or pivot moves and wears; the right part keeps that motion as designed. Traceable OEM hardware keeps an aircraft's maintenance records defensible at annual, pre-purchase, and pre-buy inspections.
Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value. The factory part is built to the manufacturer's material and dimensional specification, so it installs as designed without the surprises a generic equivalent can bring.
For a regulated aircraft component, correct identification by factory part number is what guarantees the exact form, fit, and function the design calls for.
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. The Beechjet 400, which began life as the Mitsubishi Diamond and later became the Hawker 400, is a light business jet supported today through Textron Aviation.
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