Description
The 0553006-4 is a genuine Textron Aviation firewall assembly stiffener that reinforces a skin or spar and helps carry loads through the airframe. It is fitted to the Skyhawk. It carries an export classification of ECCN 9A991, weighs 0.07 pounds, and measures 10 (L) x 0.65 (W) x 0.55 (H) Inches.
Because the 0553006-4 is an original-equipment (OEM) structural component from Textron Aviation, it is built to the airframe manufacturer's specification and matches the type design as documented. Fitting the genuine part preserves the wing or airframe's engineered strength and keeps installation and inspection records clean.
Across the Cessna Skyhawk fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
Airframe structure of this kind is engineered to specific load paths; the correct part is what keeps those paths — and the aircraft's certified strength — unchanged. 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.
Fitting the correct factory part the first time avoids the rework, removal, and re-inspection that an incorrect or unapproved part can trigger.
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 Cessna 172 Skyhawk is the most-produced aircraft in history, with more than 44,000 built since 1956, and remains in production under Textron Aviation.
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