Description
The CM3658-5 is a genuine Textron Aviation screw — a fastening or retaining hardware item used in the airframe. It is applicable to the Skyhawk and Skylane. It carries an export classification of ECCN 9A991, weighs 0.01 pounds, and measures 0.85 (L) x 0.33 (W) x 0.33 (H) Inches.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the CM3658-5 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.
Parts like this are shared across the Cessna Skyhawk and Skylane aircraft, reflecting how much structure and hardware these models have in common.
Aircraft hardware is called out to a specific specification for each location; an off-the-shelf equivalent is rarely acceptable. 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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