MS24566-1B Phenolic Pulley with Bearing is a military standard aircraft pulley designed to provide smooth and reliable guidance for aircraft control cables in mechanical flight control systems. The integrated bearing minimizes friction during operation, allowing precise cable movement while reducing wear on both the pulley and the control cable.

The pulley is manufactured with a durable phenolic body, a material widely used in aerospace applications for its excellent strength-to-weight ratio, dimensional stability, and resistance to wear. The built-in bearing ensures smooth rotation under varying loads, contributing to consistent flight control response and improved system reliability.

Aircraft pulleys of this type are commonly installed within flight control cable routing systems for ailerons, elevators, rudders, trim controls, and other mechanically actuated systems. By maintaining proper cable alignment and minimizing friction, the pulley helps preserve cable integrity while ensuring efficient transmission of pilot control inputs.

Regular inspection should include verification of free bearing rotation, groove condition, attachment security, and signs of excessive wear or damage. Replacement of worn pulleys helps maintain proper control system performance and supports continued airworthiness.

Key Features

- Part Number: MS24566-1B
- Manufacturer: Military Standard (MS) / Approved Aviation Hardware Manufacturer
- Component: Phenolic Pulley with Bearing
- Material: High-strength phenolic pulley construction
- Bearing: Integrated precision bearing for smooth, low-friction rotation
- Designed for aircraft flight control cable systems
- Helps reduce cable wear while maintaining proper alignment and control response
- Suitable for aircraft maintenance, overhaul, and OEM replacement applications