Description
The MS21913-6 is a genuine Textron Aviation plug supplied for use on the aircraft, with its precise function defined by the aircraft's parts data. It is fitted to the Citation III, VI or VII. It carries an export classification of ECCN EAR99, weighs 0.05 lbs, and measures 0.79 (L) x 0.60 (W) x 0.79 (H) in.
Because the MS21913-6 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.
Across the Cessna Citation fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
Supplied as a defined part in the manufacturer's catalog, its exact role is set by the aircraft's parts and maintenance data. Fitting the correct factory part the first time avoids the rework, removal, and re-inspection that an incorrect or unapproved part can trigger.
Because substitutions on type-certificated aircraft require approved data, the genuine part is the straightforward, compliant choice for this application. OEM parts arrive to the specification the type design was certified against, preserving both airworthiness and the airframe's documented configuration.
Cessna traces to the company Clyde Cessna founded in Wichita, Kansas in 1927; Textron Inc. acquired it in 1992, and since 2014 it has anchored Textron Aviation alongside Beechcraft and Hawker. The Citation family is the best-selling line of business jets ever built, and more than 7,500 have been delivered worldwide.
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