3796378
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3796378 and manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a renowned name in the automotive industry, produces this screw to meet the demanding requirements of heavy-duty truck operations. This screw is integral to ensuring the structural integrity and performance of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient tightening and loosening using a wrench, while the flange provides a larger bearing surface that distributes the load more evenly across the fastened material. This design enhances the screw’s ability to secure components firmly in place, making it suitable for applications where high torque and resistance to loosening are required ¹.

Purpose and Role in Truck Operation

The 3796378 Hexagon Flange Head Cap Screw plays a significant role in commercial truck operations by securing critical components that are subject to vibration and stress. Its applications range from fastening engine components to securing chassis parts. By providing a secure and stable connection, this screw helps maintain the structural integrity of the truck, ensuring that components remain in place under various operating conditions ².

Key Features

The 3796378 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality. Its hexagonal head design allows for easy and precise tightening using standard tools. The flange beneath the head increases the bearing surface, which helps distribute the load more evenly and reduces the risk of the screw pulling through the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring durability in demanding truck environments ³.

Benefits

The benefits of using the 3796378 Hexagon Flange Head Cap Screw include improved fastening security, resistance to loosening, and enhanced durability. The screw’s design ensures a firm and stable connection, which is crucial in applications where components are subject to vibration and stress. Its resistance to corrosion and wear makes it suitable for use in harsh environments, prolonging its lifespan and reliability.

Installation and Usage

Proper installation of the 3796378 Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tension without over-tightening, which could damage the screw or the fastened material. The screw is best used in applications where a secure and stable connection is required, such as fastening engine components or securing chassis parts. Adhering to best practices, such as using the appropriate tools and ensuring the screw is properly aligned, will help maintain its effectiveness.

Troubleshooting and Maintenance

Common issues with the 3796378 Hexagon Flange Head Cap Screw may include loosening or corrosion. To address these issues, regular inspections should be conducted to ensure the screw remains tight and free from corrosion. If loosening is detected, the screw should be re-tightened to the specified torque. In cases of corrosion, the affected screw should be replaced to maintain the integrity of the fastening. Proper maintenance, including keeping the screw and surrounding areas clean and dry, will help prolong its lifespan and reliability.

Cummins Overview

Cummins is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has built a reputation for excellence in the manufacturing of truck parts. The company’s dedication to advancing technology and maintaining stringent quality control ensures that its products, like the 3796378 Hexagon Flange Head Cap Screw, meet the rigorous demands of commercial truck applications.

Hexagon Flange Head Cap Screw 3796378 in ISV (Nissan) Engines

The Hexagon Flange Head Cap Screw 3796378, manufactured by Cummins, is a critical component in the assembly of ISV (Nissan) engines. This part is designed to provide secure fastening for various engine components, ensuring that they remain tightly secured under operational conditions. The screw’s flange head design allows for a broad bearing surface, which is essential for distributing the clamping force evenly and preventing damage to the fastened parts.

In the ISV (Nissan) engines, the 3796378 screw is typically used in areas where a robust and reliable connection is necessary. Its application can include securing engine covers, mounting brackets, or other critical components that must withstand the engine’s operational stresses. The screw’s material and construction ensure durability and resistance to the high temperatures and pressures found within the engine environment.

The use of this screw in ISV (Nissan) engines highlights Cummins’ commitment to providing high-quality, reliable components that enhance engine performance and longevity. The precise fit and function of the 3796378 screw are crucial for maintaining the integrity of the engine assembly, ensuring that all parts remain securely fastened and properly aligned.

Role of Part 3796378 Hexagon Flange Head Cap Screw in Engine Systems

Turbocharger

In turbocharger systems, the part 3796378 Hexagon Flange Head Cap Screw is utilized to secure various components, ensuring they remain firmly in place under high-stress conditions. This screw is often found fastening the compressor housing to the turbine housing, maintaining the structural integrity of the turbocharger. Additionally, it secures the bearing housing, which is essential for the smooth operation of the turbocharger’s rotating assembly. The screw’s design allows for efficient torque transfer, minimizing the risk of loosening due to vibrations, which is common in high-performance engines.

Turbocharger Kit

When integrating a turbocharger kit into an engine system, the part 3796378 Hexagon Flange Head Cap Screw plays a significant role in the assembly and installation process. It is used to mount the turbocharger to the engine block or manifold, ensuring a secure fit that can withstand the increased pressures and temperatures generated by forced induction. The screw also aids in attaching the intercooler piping and other ancillary components that are part of the turbocharger kit, providing a robust connection that enhances the overall performance and reliability of the engine system.

Conclusion

The 3796378 Hexagon Flange Head Cap Screw is a vital component in commercial truck and engine systems, providing secure fastening and enhancing structural integrity. Its design, featuring a hexagonal head and flange, ensures efficient tightening and even load distribution. The screw’s high-quality materials offer excellent resistance to corrosion and wear, making it suitable for demanding environments. Proper installation and maintenance are essential to maximize its performance and longevity. Cummins’ commitment to quality and innovation is evident in the reliable and high-performance components they produce, including the 3796378 Hexagon Flange Head Cap Screw.