Description
The AN503-10-8 is a genuine Textron Aviation screw used to fasten, secure, or retain components during assembly of the airframe. It is applicable to the Baron Series B55, E55, 58 or G58 and Bonanza 36. It carries an export classification of ECCN EAR99, weighs 0.01 pounds, and measures 0.6 (L) x 0.25 (W) x 0.25 (H) Inches.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the AN503-10-8 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.
Because the Beechcraft Baron and Bonanza aircraft share extensive structure and hardware, a single part like this is often common across several variants.
Fastening and retaining hardware may look simple, but grade, size, and finish are specified for the joint each secures — the correct part matters. Genuine factory parts carry the documentation and traceability that maintenance and airworthiness records depend on — assurance a look-alike substitute cannot provide.
On a certificated airframe, part provenance matters as much as the part itself; genuine factory sourcing settles that question up front.
Beechcraft was founded in Wichita, Kansas in 1932 by Walter and Olive Ann Beech, and has been part of Textron Aviation since 2014, uniting with Cessna and Hawker. The Baron — a twin-engine member of Beechcraft's piston line introduced in 1961 — shares much of its structure and hardware with the Bonanza.
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