95061-135 – Piper Aircraft Sleeve Bushing
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The Piper Aircraft 95061-135 is a genuine OEM sleeve bushing, also known as a plain bearing. This precision-machined component is designed to provide a low-friction, replaceable wear surface in structural joints subjected to rotational or oscillating motion, typically around a pivot pin or bolt within various Piper airframes. Its primary function is to protect the more expensive or structurally integral surrounding components (e.g., control linkages, actuator fittings, hinge points) from wear, elongation, and damage, ensuring the longevity and precise operation of the assembly.
Fabricated from a high-quality bearing material, likely a bearing bronze alloy (such as SAE 660 / CDA 932) specified by Piper, this bushing is engineered for its excellent anti-friction properties, high load-carrying capacity, and resistance to wear and corrosion. It is designed to be installed with a precise fit (often a press-fit) into its housing, providing a dimensionally stable bore for the moving pin or bolt. As a fundamental component in managing wear and maintaining the tight tolerances required in aircraft mechanisms, using the correct, certified OEM bushing is essential for airworthiness.
Key Features
Genuine Piper Aircraft OEM Part: Guarantees the precise dimensions, correct bearing alloy material, and quality standards specified in the aircraft's type design.
Provides Replaceable Wear Surface: Acts as a sacrificial element in articulating joints, protecting primary structural components from wear and elongation.
Low-Friction Bearing Material: Typically manufactured from a high-quality bearing bronze alloy, selected for its excellent lubricity, load capacity, and anti-galling properties when paired with steel pins or bolts.
Precision Machined Tolerances: Ensures accurate inner and outer diameters for proper installation fit (press-fit or slip-fit as required) and correct running clearance with the mating fastener.
Maintains Joint Integrity: Prevents "slop" or excessive free play from developing in critical linkages due to wear, ensuring precise system operation.
Technical Specifications
Part Number: 95061-135
Component Type: Sleeve Bushing / Plain Bearing
OEM Manufacturer: Piper Aircraft, Inc.
Material: Likely Bearing Bronze (e.g., SAE 660 / CDA 932). Material must be confirmed by OEM documentation or material certification.
Finish: Natural (as machined). May have lubrication retention features depending on the specific application (verify via drawing/IPC).
Dimensions: Specific Inside Diameter (ID), Outside Diameter (OD), and Length (L) must be confirmed via Piper documentation or part inspection.
Installation: Typically Press Fit (Requires specific interference fit with housing bore).
Aircraft Compatibility
The 95061-135 is utilized in various structural and mechanical assemblies across a range of Piper aircraft models. Applicability could include series such as:
PA-28 Series: Cherokee, Warrior, Archer, Arrow, Dakota
PA-32 Series: Cherokee Six, Lance, Saratoga
PA-34 Series: Seneca
PA-44 Series: Seminole
Crucial Note: Verification against the specific aircraft's current Illustrated Parts Catalog (IPC) or the Component Maintenance Manual (CMM) for the assembly is mandatory to ensure correct part number applicability.
Applications
This sleeve bushing is designed for moderate-to-high load, low-to-moderate speed rotational or oscillating applications where a precise fit and reliable wear surface are required. Common uses include:
Flight Control System Linkages and Pivot Points
Landing Gear Components (e.g., torque links, drag braces)
Actuator Attachment Fittings
Door Hinge Mechanisms
Engine Control System Linkages
Why Choose 95061-135?
Choosing the genuine Piper 95061-135 bushing is essential for ensuring the proper function, integrity, and service life of critical aircraft assemblies. The OEM part guarantees the correct high-strength bearing material, providing superior wear resistance and bearing properties compared to general-purpose materials. It also guarantees the precise dimensional tolerances required for a proper interference fit and correct running clearance. An improper fit can lead to the bushing spinning in its housing (causing damage) or excessive play (leading to control system slop or structural fatigue). Using a non-certified bushing risks premature wear, joint failure, or compromised system performance.
The 95061-135 operates under principles of tribology as a plain bearing, designed to function primarily in the boundary lubrication regime. The specified bearing material, likely a leaded tin bronze such as SAE 660 (CDA 932), is an engineered alloy optimized for this purpose. The copper matrix provides strength and thermal conductivity. Tin increases hardness and wear resistance. Critically, the lead content (typically around 7%) exists as microscopic, finely dispersed particles within the bronze matrix. Lead itself is an excellent solid lubricant with a low shear strength. Under load and motion, this lead smears across the bearing surface, creating a low-friction film that protects against direct metal-to-metal contact (galling and seizure), especially during startup, shutdown, or under oscillating loads where a full hydrodynamic film may not form. Furthermore, the inherent porosity and surface properties allow the bronze to retain grease or oil applied during assembly and maintenance, acting as a lubricant reservoir. The critical interference fit during installation ensures the bushing remains fixed, preventing relative motion and fretting corrosion between the bushing OD and the housing bore.
Note: This is a flight-critical structural component. Bushings are wear items and are typically replaced during component overhaul or when wear exceeds limits specified in the maintenance manual. Installation usually requires specialized tooling (e.g., an arbor press with appropriately sized installation mandrels) to ensure the bushing is pressed in straight and without damage. The housing bore must be precisely measured to ensure the correct interference fit. After installation, the inner diameter of the bushing often requires reaming or honing to achieve the final, precise running clearance for the mating bolt or pin. Consult the applicable maintenance manual for lubrication requirements.
Documentation
No public-facing OEM or regulatory documentation was located for this specific part number. All technical data, installation procedures, and applicability must be sourced from the official Piper Aircraft Illustrated Parts Catalog (IPC) or the Component Maintenance Manual (CMM) for the applicable aircraft or assembly.