4982420
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 4982420, is a specialized fastener designed for use in commercial trucks. This part is integral to the assembly and maintenance of various truck components, ensuring secure and reliable fastening. Cummins, a renowned name in the commercial truck industry, is known for its commitment to quality and innovation, making this screw a trusted component in truck maintenance and repair.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt 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. This screw is commonly used in applications requiring high strength and resistance to loosening ¹.

Purpose and Role in Truck Operation

The 4982420 Hexagon Flange Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, chassis assemblies, and body panels. The screw ensures that these components remain securely fastened, contributing to the overall structural integrity and safety of the vehicle. Its design allows for efficient load distribution and resistance to vibration, which are essential in the demanding environment of commercial trucking ².

Key Features

The 4982420 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise torque application. The flange at the base of the screw provides additional surface area, enhancing load distribution and preventing over-tightening. Constructed from high-strength materials, this screw offers excellent durability and resistance to corrosion, making it suitable for the harsh conditions encountered in commercial trucking. Additionally, the screw’s design minimizes the risk of loosening due to vibration, ensuring long-term reliability.

Benefits

The 4982420 Hexagon Flange Head Cap Screw offers several benefits. Its hexagonal head allows for efficient and consistent torque application, reducing the risk of over-tightening or under-tightening. The flange enhances load distribution, minimizing stress on the fastened components. The screw’s high-strength material properties ensure durability and resistance to corrosion, prolonging its service life. Additionally, the design reduces the likelihood of loosening due to vibration, contributing to the overall reliability of the fastening application.

Installation and Usage Guidelines

To ensure optimal performance and longevity, follow these guidelines when installing the 4982420 Hexagon Flange Head Cap Screw:

1. Select the appropriate size and grade of screw for the application.
2. Clean the mating surfaces to ensure a proper fit and prevent corrosion.
3. Use a torque wrench to apply the recommended torque specification, avoiding over-tightening.
4. Inspect the installation for proper alignment and secure fit.
5. Regularly check the screw for signs of loosening or damage during routine maintenance.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and over-tightening. To troubleshoot these issues:

1. Inspect the screw and mating surfaces for signs of corrosion or damage.
2. Ensure the screw is properly torqued to the manufacturer’s specifications.
3. Use lock washers or thread lockers to prevent loosening if necessary.
4. Replace any damaged or corroded screws promptly to maintain structural integrity.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, consider the following safety practices:

1. Use the correct tools and torque specifications to avoid over-tightening or stripping the screw.
2. Wear appropriate personal protective equipment (PPE) to protect against injury.
3. Ensure the work area is clean and free of debris to prevent accidents.
4. Follow all manufacturer guidelines and safety instructions provided with the screw.

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 is renowned for its commitment to quality, innovation, and customer satisfaction. The company offers a wide range of products for the commercial truck industry, including engines, drivetrain components, and aftermarket parts. Cummins’ reputation for reliability and performance makes it a trusted partner for truck manufacturers and fleet operators worldwide.

Hexagon Flange Head Cap Screw 4982420 Compatibility with Cummins Engines

The Cummins Hexagon Flange Head Cap Screw, part number 4982420, is a critical component designed to fit seamlessly with several Cummins engine models. This part is engineered to provide a secure fastening solution, ensuring the integrity and performance of the engine assemblies.

Engine Compatibility

• 15N CM2380 M104B
• 6C8.3
• C GAS PLUS CM556
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138
• L8.9
• Z14 CM2670 Z103B

The 4982420 screw is specifically designed to fit within the assembly requirements of these engines, ensuring compatibility and ease of installation. It is crucial for maintaining the structural integrity of the engine components, providing a reliable fastening method that withstands the operational stresses encountered in these engines.

Grouping by Engine Series

ISL Series

• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

The ISL series engines benefit from the precision and strength of the 4982420 screw, which is integral to the assembly and maintenance of these high-performance engines.

Other Cummins Engines

• 15N CM2380 M104B
• 6C8.3
• C GAS PLUS CM556
• L8.9
• Z14 CM2670 Z103B

These engines also rely on the 4982420 screw for various applications, ensuring that the components remain securely fastened and the engine operates efficiently.

Understanding the Role of Part 4982420 Hexagon Flange Head Cap Screw in Compressor and Refrigerant Systems

In the intricate world of engine systems, the part 4982420 Hexagon Flange Head Cap Screw serves a significant function in ensuring the seamless operation of both compressor and refrigerant components.

Compressor Systems

Within compressor systems, the 4982420 Hexagon Flange Head Cap Screw is instrumental in securing various components that contribute to the efficient compression of gases. It is commonly used to fasten the compressor’s casing to its base, ensuring that the unit remains stable during operation. This stability is vital as the compressor undergoes significant stress and vibration during its function. Additionally, the screw helps in maintaining the alignment of the compressor’s internal components, such as the pistons and cylinders, which is essential for optimal performance and longevity of the system.

Refrigerant Systems

In refrigerant systems, the 4982420 Hexagon Flange Head Cap Screw plays a role in securing components that are part of the refrigeration cycle. It is often utilized to fasten the refrigerant coils to the system’s framework. This ensures that the coils remain in place and do not shift during the operation, which could lead to inefficiencies or even system failure. Furthermore, the screw aids in the secure attachment of refrigerant lines and fittings, which is crucial for maintaining the integrity of the refrigerant flow and preventing leaks.

The use of the 4982420 Hexagon Flange Head Cap Screw in these systems underscores its importance in maintaining the structural integrity and operational efficiency of both compressor and refrigerant components. Its design allows for easy installation and removal, which is beneficial during maintenance and repair processes.

Conclusion

The Cummins Hexagon Flange Head Cap Screw, part number 4982420, is a vital component in the maintenance and operation of commercial trucks and various engine systems. Its design, featuring a hexagonal head and flanged base, ensures efficient torque application, enhanced load distribution, and resistance to loosening. The screw’s compatibility with multiple Cummins engine models and its role in compressor and refrigerant systems highlight its versatility and importance in ensuring the structural integrity and performance of these systems.