Description
The MS21209C0415 is a genuine Textron Aviation insert heli coil supplied for use on the aircraft, with its precise function defined by the aircraft's parts data. It is fitted to the Beechjet 400/400A and Citation Longitude. It carries an export classification of ECCN 9A991, weighs 0.01 pounds, and measures 0.1 (L) x 0.1 (W) x 0.15 (H) Inches.
Because the MS21209C0415 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 and Cessna Citation aircraft share extensive structure and hardware, a single part like this is often common across several variants.
This is a cataloged factory part whose form, fit, and function are established by the manufacturer's approved data. On a certificated airframe, part provenance matters as much as the part itself; genuine factory sourcing settles that question up front.
Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value. Fitting the correct factory part the first time avoids the rework, removal, and re-inspection that an incorrect or unapproved part can trigger.
These aircraft are built by Textron Aviation, which unites Cessna (founded 1927) and Beechcraft (founded 1932) under one Wichita, Kansas company since 2014. 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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