4394382
Hexagon Flange Head Cap Screw
Cummins®

The 4394382 Hexagon Flange Head Cap Screw by Cummins is a critical component in commercial truck applications. This screw is designed to secure various parts and assemblies within the truck, ensuring stability and reliability in operation. Understanding its role and significance is fundamental for maintaining the integrity and performance of commercial vehicles.

Basic Concepts

Hexagon Flange Head Cap Screws are characterized by their hexagonal head and flange feature. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute the load and prevent the screw from sinking into the material. These screws are commonly used in mechanical assemblies where high strength and resistance to loosening are required ¹.

Functionality

The Hexagon Flange Head Cap Screw operates through a threading mechanism that allows it to be screwed into place, creating a secure connection between components. When torque is applied, the threads engage with the material, providing a strong hold. The flange feature enhances this by distributing the force over a larger area, reducing the risk of the screw pulling through the material. This design ensures that the screw remains firmly in place under various operational conditions ².

Role in Truck Operation

In the context of truck mechanics, the 4394382 Hexagon Flange Head Cap Screw plays a specific role in securing critical components and assemblies. It is often used in applications where components are subjected to significant stress and vibration, such as in the engine compartment or chassis. By providing a stable and reliable connection, this screw helps maintain the structural integrity of the truck, ensuring safe and efficient operation.

Key Features

The 4394382 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy installation and removal using standard tools. The flange provides additional stability by distributing the load and preventing the screw from sinking into the material. Additionally, the screw is typically made from high-strength materials, ensuring durability and resistance to corrosion, which is crucial in the demanding environment of commercial truck applications.

Benefits

The advantages of using the 4394382 Hexagon Flange Head Cap Screw include enhanced stability due to its flange feature, resistance to loosening under vibration, and ease of installation and removal. These benefits contribute to the overall reliability and longevity of the truck’s components, reducing the need for frequent maintenance and replacements.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address these issues, regular inspections should be conducted to ensure that screws remain tight and free from corrosion. If loosening is detected, the screws should be re-torqued to the manufacturer’s specifications. Additionally, applying an anti-corrosion coating can help protect the screws from environmental factors, ensuring longevity and reliable performance.

About Cummins

Cummins Inc. is a global leader in the design, manufacture, and distribution of diesel engines and related technologies. With a history of innovation and commitment to quality, Cummins has established itself as a trusted name in the commercial truck industry. The company’s expertise in engine technology and component manufacturing ensures that its products, including the 4394382 Hexagon Flange Head Cap Screw, meet the highest standards of performance and reliability.

Cummins Engine Compatibility with Part 4394382

The Cummins part 4394382, a Hexagon Flange Head Cap Screw, is a versatile component that fits into various engine models within the Cummins engine family. This part is designed to provide secure fastening in multiple applications across different engine types.

B6.7 CM2670 B153B

The B6.7 CM2670 B153B engine benefits from the use of the Hexagon Flange Head Cap Screw in several critical areas. This part is often used in the engine’s mounting system, ensuring that components are held firmly in place, which is crucial for maintaining engine stability and performance.

D4.0 CM2620 D103B, F3.8 CM2620 F137B, F4.5 CM2620 F139B, F4.5 CM2620 F141C

The D4.0 CM2620 D103B, F3.8 CM2620 F137B, F4.5 CM2620 F139B, and F4.5 CM2620 F141C engines also utilize the Hexagon Flange Head Cap Screw in their assembly. These engines, which share similar design principles, often require this screw for securing various engine components, including the cylinder head, intake manifold, and other critical parts. The use of this screw ensures that these components are fastened securely, which is essential for the engine’s overall integrity and efficiency.

The Hexagon Flange Head Cap Screw is a critical component in the assembly of these engines, providing the necessary strength and reliability to maintain the engine’s structural integrity.

Role of Part 4394382 Hexagon Flange Head Cap Screw in Aftertreatment Systems

In the context of aftertreatment devices and systems, the 4394382 Hexagon Flange Head Cap Screw serves as a vital fastening component. This screw is instrumental in securing various elements within the aftertreatment system, ensuring structural integrity and reliable operation.

Application in Aftertreatment Devices

Within aftertreatment devices, such as Diesel Particulate Filters (DPFs) and Selective Catalytic Reduction (SCR) systems, the 4394382 screw is used to attach critical components. For instance, it secures the mounting brackets that hold the DPF in place, ensuring it remains stable under varying operational conditions. Similarly, in SCR systems, this screw fastens the urea injection components, maintaining precise alignment and functionality.

Integration in Aftertreatment Systems

In broader aftertreatment systems, the 4394382 screw plays a role in assembling and maintaining the integrity of the entire system. It is employed in securing sensor housings, which monitor emissions and system performance. Additionally, it fastens the various pipes and connectors that route exhaust gases through the aftertreatment components, ensuring a sealed and efficient flow path.

The use of the 4394382 Hexagon Flange Head Cap Screw in these applications underscores its importance in maintaining the structural and functional reliability of aftertreatment systems, contributing to effective emissions control and compliance with environmental regulations.

Conclusion

The 4394382 Hexagon Flange Head Cap Screw by Cummins is a vital component in commercial truck applications, providing secure fastening in various engine and aftertreatment systems. Its design features, including the hexagonal head and flange, ensure stability, resistance to loosening, and ease of maintenance. Regular inspections and proper maintenance are essential to ensure the longevity and reliability of this Cummins part in demanding commercial truck environments.