35-105111-3 - Textron Raytheon Aircraft OEM Rear Spar Washer

35-105111-3 – Textron Raytheon Aircraft OEM Rear Spar Washer

Available now on the Airparts.aero Marketplace.

Overview

The Textron Aviation 35-105111-3 is a genuine OEM, flight-critical rear spar washer, an essential structural component for the legendary Beechcraft Bonanza and Debonair series of aircraft. This is not a standard washer; it is a precision-machined, load-bearing component engineered to be part of the primary wing-to-fuselage attachment assembly. Fabricated from high-tensile strength steel, its purpose is to distribute the immense clamping force and flight loads of the main rear spar bolts, ensuring the long-term integrity and safety of one of the most critical structural joints on the airframe.

Key Features

• Primary Structural Component: Specifically designed for the rear wing spar attachment point, a joint that transfers all aerodynamic lift, G-forces, and turbulence-induced stress from the wing into the main fuselage structure.
• High-Tensile Steel Construction: Manufactured from a specific high-strength steel alloy and heat-treated to achieve the immense compressive strength required to resist deformation and crushing under the high clamp loads of the spar bolts.
• Precision-Ground Surfaces: The bearing surfaces are precision-ground to be perfectly flat and parallel. This is critical for ensuring a uniform distribution of clamping force, which prevents stress concentrations and is fundamental to the fatigue life of the wing attach fittings.
• Corrosion-Resistant Plating: Plated with a durable cadmium finish. This protective coating is essential for preventing corrosion on the high-strength steel, ensuring the long-term, airworthy integrity of the wing attachment point.
• Genuine Textron OEM Part: As a genuine factory component, it guarantees conformance to the exact material specifications, heat treatment, and dimensional tolerances of the original aircraft Type Certificate. For a component this critical, there is no substitute.

Technical Specifications

• Part Number: 35-105111-3
• Component Type: Structural Rear Spar Fitting Flat Washer
• Material: High-Tensile, Heat-Treated Steel Alloy
• Finish: Cadmium Plated
• Dimensions: Proprietary to Textron Aviation. Thickness, ID, and OD are precisely controlled to OEM specifications for the specific spar bolt it mates with.
• Certification: FAA Production Approval with full material and process traceability.

Aircraft Compatibility

The 35-105111-3 is the specified OEM washer for the rear spar attachment on some of the most successful and beloved piston aircraft ever produced.

• Primary Aircraft Models:
  • Beechcraft Bonanza: 35, F33, V35, A36, G36 Series
  • Beechcraft Debonair: 33 Series

Applications

The 35-105111-3 has a singular, profoundly important application:

• Wing Spar Attachment: Serves as the critical interface between the main rear wing spar attachment bolt/nut and the wing spar or fuselage fitting. It distributes the immense clamping force and provides a perfect bearing surface.
• Mandatory Inspection & Replacement: This component must be meticulously inspected for any signs of cracking, corrosion, galling, or deformation any time the wing bolts are removed for scheduled inspection or maintenance. It is a mandatory replacement item if any defects are found.

Why Choose 35-105111-3?

The joint connecting the wing to the fuselage is the most critical structural connection on any aircraft. Its integrity is absolute and non-negotiable. The 35-105111-3 washer is an engineered part of this system. Using a genuine Textron Aviation OEM part is the only way to ensure the component has the certified material strength and precise dimensions to handle the calculated flight loads. The use of any non-approved hardware in this location would be a gross violation of safety and airworthiness standards.

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• Meta Description: Purchase the genuine Textron Aviation 35-105111-3, a flight-critical, high-strength steel washer for the rear wing spar attachment on Beechcraft Bonanza and Debonair aircraft.
• SEO and Plain Text Keywords: 35-105111-3, Textron Aviation parts, Beechcraft parts, Bonanza parts, Debonair parts, rear spar washer, structural washer, aircraft washer, flight critical hardware, OEM Beechcraft parts, Airparts.aero.

Order Your 35-105111-3 Rear Spar Washers Now

Ensure the structural integrity of your aircraft with genuine, factory-certified, flight-critical hardware. Visit Airparts.aero to order your Textron Aviation 35-105111-3 rear spar fitting washers today.

SEO-Enhanced Addendum

The 35-105111-3 washer is a key element in a high-clamp, friction-type structural joint. When the massive spar bolts are torqued to their specified, extremely high value, they stretch elastically, creating an immense clamping force that presses the wing spar fitting and the fuselage fitting together. The primary mechanism that transfers flight loads is the friction generated between these clamped surfaces. The 35-105111-3 washer's role is to provide a perfectly flat, parallel, and incompressible bearing surface under the bolt head and nut, ensuring this clamping force is distributed evenly across the joint. Any deformation or "cupping" of the washer would lead to a loss of bolt preload, compromising the frictional capacity of the joint and allowing micro-movements that could lead to catastrophic fatigue failure.

Note: This is a flight-critical structural component. It must only be used in the application specified by the Textron Aviation maintenance and structural repair manuals. Installation is part of a major maintenance procedure and must be performed by a certified A&P mechanic with experience in heavy structural aircraft maintenance. All procedures, including fastener lubrication and torque application, must be followed with absolute precision.

Fits Beechcraft Aircraft Model

• KING AIR C90, C90A, C90GT & E90 
• SUPER KING AIR B300/B300C
• SUPER KING AIR B200GT

*For the latest Beechcraft Aircraft IPC [Click Here]