Description
The MS21258C32 is a genuine Textron Aviation washer — a fastening or retaining hardware item used in the airframe. It is applicable to the Beechjet 400/400A. It carries an export classification of ECCN EAR99.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the MS21258C32 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 fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
Strength grade and finish define aircraft hardware, so matching the specified part keeps the joint as designed. Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value.
The value of an OEM part is as much in its paperwork and pedigree as its metal — both of which an aircraft's records require. Genuine sourcing means the part matches the drawing exactly, so fit and function are known quantities rather than a gamble at installation.
Built by Beechcraft — the Wichita, Kansas manufacturer founded in 1932 and part of Textron Aviation since 2014 — this part carries a name long associated with rugged, capable aircraft. 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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