0841202-1 – Textron Aviation OEM Main Landing Gear Torque Link Spacer
Available now on the Airparts.aero Marketplace.
Overview
The 0841202-1 is a flight-critical, genuine Textron Aviation (Cessna) Original Equipment Manufacturer (OEM) spacer, engineered for use in the main landing gear torque link (or "scissors") assembly. This is not a generic piece of hardware; it is a precision-machined component whose exact length and diameter are fundamental to the correct geometry and function of the landing gear. Its primary purpose is to maintain the precise gap between the upper and lower torque link arms, allowing the assembly to pivot smoothly without binding or excessive free play.
Manufactured from a high-strength aluminum alloy and finished with a protective coating, this spacer is designed to withstand the high compressive and shear loads experienced during ground operations, takeoff, and landing. The integrity of the torque link is essential for keeping the main wheel aligned, and the dimensional accuracy of this OEM spacer is a cornerstone of that integrity.
Key Features
Genuine Textron Aviation OEM Part: Guarantees the part is the factory-specified and fully certified component, ensuring correct fit, material strength, and airworthiness.
Precision Machined for Correct Fit: Manufactured to extremely tight dimensional tolerances to provide the exact spacing required for the torque link arms to pivot freely without play.
High-Strength Aluminum Alloy: Machined from a certified aluminum alloy, offering the required compressive strength and light weight for a landing gear application.
Critical for Landing Gear Alignment: The correct length of this spacer is essential for maintaining the proper geometry of the torque link assembly, which prevents wheel shimmy and ensures tracking stability.
Corrosion-Resistant Finish: Typically anodized or alodined to protect the aluminum from corrosion and wear in the harsh landing gear environment.
Flight-Critical Component: A primary component responsible for the structural integrity and proper function of the main landing gear.
Technical Specifications
Part Number: 0841202-1
Component Type: Spacer / Sleeve Bushing
OEM Authority: Textron Aviation (Cessna)
Application: Main Landing Gear Torque Link (Scissors Link)
Material: Aluminum Alloy (per Textron specification).
Finish: Anodized, Alodine, or other protective coating per OEM specification.
Dimensions (ID, OD, Length): Per Textron Aviation Engineering Drawing 0841202.
Governing Specification: Textron Aviation Engineering Drawing 0841202.
Aircraft Compatibility
This OEM torque link spacer is the standard component for the main landing gear on a vast fleet of Cessna's most popular single-engine aircraft.
Primary Textron Aviation Platforms:
Cessna 172
Cessna 177
Cessna 182
Cessna 206
Cessna 210
Note: Verification of applicability is the absolute responsibility of the installer. The aircraft's current Illustrated Parts Catalog (IPC) for its specific serial number is the final authority for confirming part number eligibility.
Applications
Sole Application: To be installed on the pivot bolt within the main landing gear torque link (scissors) assembly, to maintain the correct spacing and alignment between the upper and lower torque link arms.
Why Choose 0841202-1?
The safe and stable operation of an aircraft's landing gear depends on the precise alignment of its components. The 0841202-1 spacer is a dimensionally critical part. A spacer that is even a few thousandths of an inch too short will allow the torque links to be squeezed together when the bolt is tightened, causing them to bind. A spacer that is too long will create free play or "slop" in the linkage. Both conditions can lead to dangerous landing gear shimmy, uneven tire wear, and excessive stress on the landing gear structure. Only the genuine Textron OEM part is guaranteed to have the exact dimensions required for a safe, airworthy installation.
The main landing gear torque link, where the 0841202-1 spacer is installed, is a classic example of a planar four-bar linkage. This linkage serves a single, critical purpose: it constrains the motion of the wheel axle assembly relative to the main oleo strut. It is designed to allow the oleo strut to compress and extend in a purely vertical direction, absorbing landing and taxi loads, while simultaneously preventing the wheel assembly from rotating or twisting around the vertical axis. The 0841202-1 spacer acts as a precision journal bearing component, ensuring that the pivot points of this four-bar linkage operate with minimal friction and zero radial or axial play. This geometric precision is what prevents the self-excited, destructive oscillation known as wheel shimmy, which can occur if any "slop" is introduced into the linkage.
Note: This is a flight-critical landing gear component. It is a wear item and must be inspected for wear, scoring, corrosion, or deformation in accordance with the aircraft maintenance manual, especially when replacing torque link bolts or bushings. Installation must be performed by a certified A&P mechanic. The correct orientation and placement of this spacer within the torque link assembly is essential for proper function.
Documentation
All technical data, installation procedures, and wear limits for the 0841202-1 spacer are proprietary to Textron Aviation. This information is contained within the official Maintenance Manual and Illustrated Parts Catalog for the applicable aircraft model. No public-facing documentation is available.