S2398-1 - Textron Aviation OEM Wide Flap Roller

Price:

48.32

S2319-21 - Textron Aviation OEM Grommet
S2319-21 - Textron Aviation OEM Grommet
4.94
4.94
S2814-2 - Textron OEM Cable Assembly For Cessna Caravan and Grand Caravan
S2814-2 - Textron OEM Cable Assembly For Cessna Caravan and Grand Caravan
407.64
407.64

S2398-1 - Textron Aviation OEM Wide Flap Roller

https://dev.airparts.aero/web/image/product.template/16188/image_1920?unique=7ace06d
(0 review)

This combination does not exist.


Terms and Conditions
Same day shipping on in-stock items.
Cutoff time is 8:30 PM EST.

Sell On AirParts

S2398-1 – Textron Aviation OEM Wide Flap Roller

Available now on the Airparts.aero Marketplace.

Overview

The Textron Aviation S2398-1 is a genuine OEM "wide" flap roller, a flight-critical component engineered for the wing flap systems of a wide range of high-performance Cessna single-engine aircraft. This roller is designed to fit within the flap carriage and travel along the wing-mounted flap tracks, guiding the flap assembly during extension and retraction. Manufactured from a high-strength, low-friction polymer, the S2398-1 ensures smooth, binding-free flap operation and even load distribution, which is essential for predictable flight control and the prevention of flap system failures.

Key Features

  • High-Strength Polymer Construction: Molded from a durable, wear-resistant polymer (such as Delrin or a similar high-performance acetal resin). This material provides an excellent combination of low friction for smooth travel and high compressive strength to handle aerodynamic loads without deforming.
  • Wide Profile Design: The wide (0.500") profile provides a broad bearing surface that evenly distributes loads within the flap track. This reduces localized stress and minimizes wear on both the roller and the more expensive aluminum flap track itself.
  • Smooth, Low-Friction Operation: The precision-molded, smooth surface allows the flap to travel with minimal resistance, ensuring the flap actuator motor is not over-stressed and that flap deployment is symmetrical and repeatable.
  • Direct Fit Replacement: As a genuine Textron Aviation OEM part, it is manufactured to the exact dimensional tolerances of the original component, guaranteeing a perfect fit on the roller axle and within the flap track.
  • Flight-Critical Component: A key element of the primary flight control system. Worn or cracked rollers can lead to flap binding, jamming, or asymmetrical deployment (a split-flap condition), which constitutes a serious in-flight emergency.

Technical Specifications

  • Part Number: S2398-1
  • Component Type: Wide Flap Track Roller
  • Material: High-Strength, Low-Friction Polymer (e.g., Acetal Resin)
  • Dimensions:
    • Outside Diameter: 0.875 inches
    • Width: 0.500 inches
    • Axle/Bolt Size: 1/4 inch
  • Certification: FAA Production Approval

Aircraft Compatibility

The S2398-1 wide flap roller is the specified OEM part for many later-model and higher-performance Cessna single-engine aircraft. It is imperative to consult the specific aircraft's Illustrated Parts Catalog (IPC) for final verification of applicability.

  • Compatible Aircraft Models (Examples):
    • Cessna 172 Skyhawk (later models)
    • Cessna 182 Skylane (later models)
    • Cessna 206 Stationair / Turbo Stationair
    • Cessna 210 Centurion / Turbo Centurion

Notes

SUBSTITUTION WITH S4628-1487 APPLICABLE ONLY TO CESSNA 208 SERIALS 208-0001 THRU 208-0395 AND 208B SERIALS 208B0001 THRU 208B1170.

FAA PMA ALTERNATIVE AVAILABLE, REFER TO PART NUMBER: MC0523921

Applicable Textron Aircraft

  • Caravan or Grand Caravan EX
  • Stationair

List not comprehensive, may be applicable on other models.

Applications

The S2398-1 is the essential component for maintaining the health and safety of the flap system:

  • Flap System Maintenance: A mandatory inspection item during annual and 100-hour inspections. Rollers must be checked for cracks, flat spots, and excessive play.
  • Repair of Binding or Jamming Flaps: Often the primary cause of flaps that are difficult to extend or retract, or that move unevenly.
  • Preventing Asymmetrical Flap Deployment: Replacing worn rollers ensures both flaps travel smoothly and symmetrically, preventing a dangerous split-flap condition.

Why Choose S2398-1?

The smooth and reliable operation of your aircraft's flap system is paramount for safe takeoffs, approaches, and landings. Using a genuine Textron Aviation S2398-1 OEM roller ensures that the component has the correct material properties to resist wear and the precise dimensions to prevent binding within the track. Non-certified parts may be made from inferior materials that can crack or deform under load, leading to a jammed flap. For a component so critical to flight control, there is no substitute for the quality and airworthiness assurance of a genuine OEM part.

Order Your S2398-1 Flap Rollers Now

Ensure the safe, smooth, and reliable operation of your aircraft's flap system with genuine Textron Aviation components. Visit Airparts.aero to order your S2398-1 wide flap rollers today.

The S2398-1 wide flap roller is a key element in the Fowler flap systems common on many Cessna aircraft. As the flaps extend, they not only pivot downward but also travel aft along a curved track, increasing the wing's surface area and camber. The rollers guide this complex movement. A worn roller with flat spots will not roll smoothly but will instead skid and bind along the track, putting immense strain on the flap motor and drive cables. The wide profile of the S2398-1 is designed to handle the higher side-loads generated by these large, effective flaps, preventing the roller from tilting within the track and ensuring the entire flap carriage remains stable and aligned throughout its range of travel.

Note: This is a flight-critical component. Installation must be performed by a certified A&P mechanic in accordance with the current Textron Aviation maintenance manual. It is highly recommended to replace all rollers on a flap carriage simultaneously to ensure even wear and smooth operation.

Alternate Products