4990385
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4990385, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw plays a role in the maintenance and operation of commercial trucks, ensuring the integrity and functionality of various truck components. Cummins, known for its commitment to quality and innovation, provides this screw as part of its extensive range of truck parts designed to enhance performance and reliability.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area for load distribution and prevents the screw from being driven too far into the material. In the context of truck components, this screw is used to secure various parts, ensuring they remain firmly in place under operational stress.

Purpose and Role

The 4990385 Hexagon Flange Head Cap Screw serves multiple purposes in truck operations. It is commonly used to fasten components that require a high degree of stability and resistance to vibration. Specific applications include securing engine components, transmission parts, and chassis elements. By providing a secure and stable connection, this screw helps maintain the structural integrity and operational efficiency of the truck.

Key Features

The 4990385 Hexagon Flange Head Cap Screw boasts several key features that make it suitable for demanding truck applications. Its hexagonal head design allows for easy and precise torque application, reducing the risk of over-tightening or stripping. The flange at the base of the screw provides additional surface area, enhancing load distribution and preventing the screw from sinking into the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-lasting performance in harsh operating environments.

Benefits

The benefits of using the 4990385 Hexagon Flange Head Cap Screw include enhanced stability, improved load distribution, and resistance to loosening. The flange design helps distribute the load more evenly, reducing stress on the fastening point. This results in a more secure connection that is less likely to loosen over time, even under vibration and dynamic loads. The screw’s resistance to corrosion and wear further ensures that it maintains its integrity and performance throughout the truck’s operational life.

Installation and Usage

Proper installation of the 4990385 Hexagon Flange Head Cap Screw is crucial for ensuring its effectiveness and longevity. It should be installed using the appropriate torque specifications to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the connection. Best practices include using a torque wrench to apply the correct amount of force and ensuring that the screw is aligned properly with the fastening point. Regular inspections should be conducted to verify that the screw remains secure and has not loosened over time.

Troubleshooting and Maintenance

Common issues with the 4990385 Hexagon Flange Head Cap Screw may include loosening, corrosion, or damage from over-tightening. Troubleshooting these issues involves inspecting the screw and its surroundings for signs of wear or damage. Maintenance tips include regularly checking the torque of the screw and ensuring that it remains secure. If corrosion is detected, the screw should be cleaned and, if necessary, replaced to prevent further degradation. Replacement should be considered if the screw shows significant wear or if it has become loose despite proper torque application.

Cummins Overview

Cummins is a renowned manufacturer in the commercial truck industry, with a history of producing high-quality, innovative parts and engines. The company is known for its commitment to excellence, reliability, and continuous improvement. Cummins’ reputation is built on its ability to deliver products that meet the demanding requirements of commercial truck operations, ensuring that trucks remain efficient, reliable, and safe. The 4990385 Hexagon Flange Head Cap Screw is a testament to Cummins’ dedication to providing top-tier components that enhance the performance and durability of commercial trucks.

Hexagon Flange Head Cap Screw 4990385 in Engine Applications

The Cummins part number 4990385, a Hexagon Flange Head Cap Screw, is a component in various engine assemblies. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of engine components. Below is a detailed description of how this part fits within the specified engines:

F2.8 CM2620 F135B, ISF2.8 CM2220 F117, ISF2.8 CM2220 F129

In the F2.8 CM2620 F135B, ISF2.8 CM2220 F117, and ISF2.8 CM2220 F129 engines, the Hexagon Flange Head Cap Screw 4990385 is utilized in several key areas. These engines, known for their robust design and performance, require reliable fastening solutions to maintain structural integrity. The screw is often employed in securing various engine covers, housings, and other critical components that are subject to high mechanical stress and thermal expansion.

QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, QSF2.8 CM2880 F108, QSF2.8 CM2880 F114

The QSF2.8 CM2880 series engines, including the F104, F105, F108, and F114 variants, also benefit from the use of the Hexagon Flange Head Cap Screw 4990385. These engines are designed for demanding applications, and the screw’s ability to provide a strong and stable connection is crucial. It is typically used in fastening engine blocks, cylinder heads, and other components that must withstand significant operational forces and temperatures.

R2.8 CM2220 R101B

In the R2.8 CM2220 R101B engine, the Hexagon Flange Head Cap Screw 4990385 plays a vital role in ensuring the secure attachment of various engine parts. This engine is engineered for reliability and efficiency, and the screw’s design helps maintain the alignment and stability of components under operational conditions. It is commonly used in fastening engine mounts, brackets, and other structural elements that require precise and durable connections.

Each of these engines relies on the Hexagon Flange Head Cap Screw 4990385 to provide the necessary fastening strength and reliability, ensuring the engine operates efficiently and safely.

Role of Part 4990385 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 4990385 Hexagon Flange Head Cap Screw serves as a pivotal fastening element. This screw is instrumental in securing various components, ensuring the structural integrity and operational efficiency of the engine.

Application in Dampers

Dampers are essential in engine systems for absorbing and reducing vibrations. The 4990385 Hexagon Flange Head Cap Screw is used to firmly attach the damper to its mounting points. This secure attachment is vital for the damper to effectively perform its function, thereby enhancing the stability and longevity of the engine by minimizing undue stress and wear on other components.

Integration with Vibration Control Systems

Engine systems are prone to vibrations, which if not managed properly, can lead to decreased performance and potential damage. The 4990385 Hexagon Flange Head Cap Screw plays a role in vibration control systems by ensuring that components designed to mitigate vibrations are tightly and reliably fastened. This includes securing vibration isolators and mounts, which are critical for maintaining the engine’s balance and reducing the transmission of vibrations to other parts of the machinery.

By effectively utilizing the 4990385 Hexagon Flange Head Cap Screw in these applications, engineers and mechanics can enhance the overall performance and reliability of engine systems, ensuring they operate smoothly and efficiently under various conditions.

Conclusion

The 4990385 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and engines. Its design and features ensure secure fastening, enhanced stability, and resistance to corrosion and wear. Proper installation and maintenance of this screw are essential for the longevity and efficiency of truck and engine systems. Cummins’ commitment to quality and innovation is evident in the design and performance of this screw, making it a reliable choice for demanding applications.

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