5656390
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 5656390, is a component manufactured by Cummins. This screw is integral to commercial truck maintenance, providing reliable fastening solutions for various truck components. Cummins, a well-established name in the commercial truck industry, ensures that this part meets the rigorous demands of heavy-duty applications.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with specific principles in mind to enhance their functionality and reliability. The hexagonal head allows for efficient torque application, ensuring secure fastening. The flange feature provides additional surface area, which helps distribute the load more evenly and prevents the screw from sinking into softer materials. These screws play a role in fastening and securing components in heavy-duty trucks, contributing to the overall structural integrity and performance of the vehicle ¹.

Purpose and Role in Truck Operation

The 5656390 Hexagon Flange Head Cap Screw serves a specific purpose within the operational context of trucks. It is used to fasten various components and systems, such as engine mounts, chassis parts, and other critical assemblies. By providing a secure connection, this screw helps maintain the alignment and stability of these components, which is vital for the truck’s performance and safety ².

Key Features

The 5656390 Hexagon Flange Head Cap Screw boasts several key features that contribute to its performance and durability. Its hexagonal head design allows for easy and efficient tightening using standard tools. The flange feature enhances the screw’s ability to distribute loads and prevents it from embedding into the material being fastened. Additionally, the material composition of the screw, typically a high-strength alloy, ensures it can withstand the stresses and vibrations encountered in heavy-duty truck applications ³.

Benefits

The 5656390 Hexagon Flange Head Cap Screw offers several benefits that make it a preferred choice for truck maintenance. Its design enhances fastening security, reducing the risk of loosening over time. The flange feature provides additional resistance to loosening, even under dynamic loads. Furthermore, its compatibility with various truck components ensures versatile application across different systems and assemblies.

Installation and Usage

Proper installation and usage of the 5656390 Hexagon Flange Head Cap Screw are vital for ensuring optimal performance. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force. Using the appropriate tools and techniques, such as a torque wrench, helps prevent over-tightening or under-tightening, which could compromise the screw’s effectiveness. Additionally, ensuring that the mating surfaces are clean and free of debris contributes to a secure and lasting connection.

Troubleshooting and Maintenance

Common issues with the 5656390 Hexagon Flange Head Cap Screw, such as loosening or corrosion, can be addressed through proper troubleshooting and maintenance practices. Regular inspections for signs of wear or damage are recommended to identify potential problems early. If loosening is detected, re-tightening the screw to the specified torque can often resolve the issue. In cases of corrosion, cleaning the affected area and applying a suitable anti-corrosion treatment can help prolong the screw’s lifespan and ensure reliable performance.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, with a history of producing high-quality components and engines. The company’s product offerings span a wide range of applications, from heavy-duty trucks to industrial equipment. Cummins’ reputation for reliability and performance underscores its commitment to excellence, making it a trusted provider of critical truck components like the 5656390 Hexagon Flange Head Cap Screw.

Cummins Hexagon Flange Head Cap Screw 5656390 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 5656390, is a critical component in the assembly and maintenance of various engine models. This part is designed to provide secure fastening in applications where a robust and reliable connection is essential.

ISZ13 CM2150 Z105 and QSZ13 CM2150 Z102 Engines

In the ISZ13 CM2150 Z105 and QSZ13 CM2150 Z102 engines, the 5656390 screw is utilized in several key areas. These engines, while differing in some specifications, share common structural elements that benefit from the use of this particular screw.

• Cylinder Head Assembly: The 5656390 screw is often employed in securing the cylinder head to the engine block. This ensures that the cylinder head remains tightly fastened, preventing leaks and maintaining the integrity of the combustion chamber.

• Valve Cover Attachment: Another critical application is in attaching the valve cover to the engine. This screw helps maintain a seal that is crucial for the proper functioning of the engine’s valve train and associated systems.

• Accessory Mounting: The screw is also used in mounting various engine accessories, such as the alternator and power steering pump. Its flange head design provides a broad surface area, distributing the load evenly and preventing damage to the mounting surfaces.

The use of the 5656390 screw in these engines highlights its versatility and importance in ensuring the engine operates efficiently and reliably. Its design and material properties make it an ideal choice for high-stress applications within the engine assembly.

Conclusion

The 5656390 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks. Its design, featuring a hexagonal head and flange, ensures secure fastening and load distribution, which is critical for the structural integrity and performance of heavy-duty trucks. Cummins’ reputation for producing high-quality components further underscores the reliability and effectiveness of this part. Proper installation, regular maintenance, and adherence to torque specifications are essential for maximizing the screw’s performance and longevity.