4325261
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4325261, is a component manufactured by Cummins. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins, a well-established name in the industry, ensures that this part meets the stringent demands of heavy-duty applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. 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 ². In mechanical systems, these screws are used to secure various components, ensuring stability and integrity under operational stresses.

Purpose and Role in Truck Operation

This Cummins part serves a specific purpose in commercial trucks by securing critical components that are subject to significant stress and vibration. It is commonly used in applications where a strong, vibration-resistant fastening solution is required. This screw helps maintain the alignment and integrity of parts such as engine mounts, transmission components, and chassis elements, contributing to the overall reliability and performance of the truck ³.

Key Features

The 4325261 boasts several key features that enhance its functionality. Its hexagonal head design allows for secure and efficient tightening using common tools. The flange beneath the head provides additional surface area, which helps in distributing the load and reducing the risk of the screw pulling through the material. Additionally, the screw is crafted from high-quality materials that offer excellent durability and resistance to corrosion, making it suitable for demanding environments.

Benefits

Using the 4325261 offers several advantages. Its design ensures durability and resistance to vibration, which is crucial in the dynamic environment of a commercial truck. The ease of installation, thanks to its hexagonal head, allows for quick and efficient fastening. Moreover, the flange feature enhances the screw’s load-bearing capacity, reducing the likelihood of component failure under stress.

Installation and Usage

Proper installation of the 4325261 is vital to ensure its effectiveness. It is recommended to use the appropriate torque specifications provided by the manufacturer to avoid over-tightening or under-tightening. Best practices include cleaning the installation surface to remove any debris or contaminants that could affect the screw’s performance. Additionally, using a torque wrench ensures that the screw is tightened to the correct specification, promoting both safety and longevity.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these problems early. If a screw appears loose, it should be re-tightened to the manufacturer’s specified torque. In cases of corrosion, the affected area should be cleaned, and the screw may need to be replaced if significant damage is present. Routine checks during maintenance intervals can help ensure the screws remain in optimal condition.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe safety practices to prevent injuries and ensure proper handling. Wearing personal protective equipment, such as gloves and safety glasses, is recommended. Additionally, using the correct tools and following torque specifications helps prevent damage to both the screw and the components being fastened. Proper handling techniques, including secure storage and organized workspaces, contribute to a safer working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to innovation and quality ensures that their parts, like the 4325261, deliver exceptional performance and durability ⁴.

Cummins Hexagon Flange Head Cap Screw 4325261 in Nissan Engines

The Cummins Hexagon Flange Head Cap Screw part number 4325261 is a critical component in various Nissan engines, ensuring secure fastening and structural integrity. This screw is designed to withstand high stress and provide reliable performance in demanding environments.

ISV (Nissan)

In the ISV engines, the 4325261 screw plays a pivotal role in maintaining the alignment and stability of engine components. Its flange head design allows for a larger contact area, distributing the load more evenly and preventing stripping. This is particularly important in the ISV engines, where precise fastening is crucial for optimal performance and longevity.

The screw’s robust construction ensures it can endure the rigors of continuous operation, making it an essential part of the engine’s assembly. Its use in the ISV engines highlights the importance of high-quality fasteners in achieving reliable engine performance.

Role of Part 4325261 Hexagon Flange Head Cap Screw in Engine Systems

Part 4325261, the Hexagon Flange Head Cap Screw, is integral to the secure assembly and operation of various engine components. Its design allows for a firm grip and resistance to loosening, making it suitable for applications where vibrations and thermal expansion are common.

Application in Engine Components

• Thermostat Housing Arrangement: The Hexagon Flange Head Cap Screw is often used to secure the thermostat housing to the engine block. This ensures a tight seal, preventing coolant leaks and maintaining optimal engine temperature.

• Engine Control Module (ECM) Mounting: In the mounting of the Engine Control Module, these screws provide the necessary stability and electrical grounding. The flange head design helps in distributing the load evenly, reducing the risk of damage to the sensitive electronic components.

• Long Block Kit Assembly: Within a Long Block Kit, these screws are employed to fasten various components such as the valve cover, oil pan, and other critical parts. Their robust construction ensures that these components remain securely in place under the stress of engine operation.

• Module and Engine Control Integration: When integrating modules with the engine control system, the Hexagon Flange Head Cap Screw plays a role in securing sensors, actuators, and other control units. This is vital for the precise operation of the engine management system.

• General Mounting Applications: Across various mounting applications in engine systems, these screws offer a reliable solution for attaching brackets, supports, and other ancillary components. Their flange head provides additional surface area for torque application, enhancing the security of the attachment.

Conclusion

In summary, Part 4325261 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the integrity and functionality of multiple engine components. Its application ranges from critical housings to sensitive electronic modules, underscoring its importance in engine assembly and maintenance.