4982774
Hexagon Flange Head C Screw
Cummins®

The Hexagon Flange Head C Screw, identified by part number 4982774, is a specialized fastener produced by Cummins, a renowned manufacturer in the commercial truck industry. This screw is integral to the maintenance and operation of commercial trucks, ensuring the secure attachment of various components within the vehicle’s mechanical systems.

Basic Concepts

The Hexagon Flange Head C Screw is designed with specific structural components that enable its function within a truck’s mechanical system. The screw features a hexagonal head, which allows for efficient torque application using standard tools, and a flange that provides a larger bearing surface. This design helps distribute the load more evenly across the fastened area, reducing the risk of damage to the material being secured. The screw operates by threading into a pre-drilled hole, creating a secure connection that is resistant to loosening under vibration and stress ¹.

Purpose and Role in Truck Operation

In the operation of a commercial truck, the Hexagon Flange Head C Screw plays a role in securing various components and systems. It is commonly used in applications where a strong, vibration-resistant connection is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. The screw’s design ensures that these connections remain intact under the demanding conditions experienced by commercial trucks, contributing to the vehicle’s overall reliability and performance ².

Key Features

The primary characteristics of the Hexagon Flange Head C Screw include its hexagonal shape, which facilitates easy and precise torque application, and its flange design, which enhances the bearing surface area. The material composition of the screw is typically a high-strength alloy, which provides durability and resistance to corrosion. These features collectively contribute to the screw’s functionality and longevity in commercial truck applications ³.

Benefits

The Hexagon Flange Head C Screw offers several advantages that enhance the performance and safety of commercial trucks. Its design provides an enhanced grip, which helps prevent loosening due to vibration. The flange also improves load distribution, reducing the stress on the fastened material. Additionally, the high-strength material composition ensures resistance to corrosion and wear, prolonging the service life of the screw and the components it secures.

Installation and Usage

Proper installation of the Hexagon Flange Head C Screw is vital to ensure a secure and lasting fit. Recommended torque settings should be followed to achieve the correct tension without over-tightening, which could damage the screw or the fastened material. Compatible tools, such as a torque wrench, should be used to apply the specified torque. Best practices include ensuring the screw is installed in a clean, pre-drilled hole and verifying that the flange is flush with the surface to maximize bearing area and load distribution.

Troubleshooting and Maintenance

Common issues with the Hexagon Flange Head C Screw may include corrosion, wear, and improper torque. Regular inspection for signs of corrosion or damage can help identify potential problems early. If corrosion is detected, the affected area should be cleaned, and the screw may need to be replaced to ensure a secure connection. Ensuring that the screw is torqued to the manufacturer’s specifications during installation can prevent loosening and extend the screw’s service life. Routine maintenance checks can help prolong the performance and reliability of the screw in commercial truck applications.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry, particularly in the production of high-quality components for commercial trucks. The company has a history of innovation and commitment to excellence, which is reflected in its wide range of products, including the Hexagon Flange Head C Screw. Cummins’ dedication to producing reliable and durable components contributes to the safety and efficiency of commercial trucks worldwide.

Cummins Engine Compatibility with Part 4982774

The Hexagon Flange Head C Screw, part number 4982774, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral to the assembly and operation of these engines, ensuring secure fastening in various applications. Below is a detailed breakdown of the engines that are compatible with this specific screw.

B5.6 and B6.7 Series

• B5.6 CM2670 B152B
• B6.7 CM2670 B153B

These engines are part of the B Series, known for their reliability and performance in medium-duty applications. The Hexagon Flange Head C Screw is used in these engines to secure various components, ensuring the integrity of the assembly.

ISB Series

• ISB CM2150
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

The ISB Series engines are widely used in both on-highway and off-highway applications. The 4982774 screw is utilized in these engines to fasten components that require a robust and reliable connection.

ISBE Series

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

The ISBE Series engines are designed for heavy-duty applications, providing high performance and durability. The Hexagon Flange Head C Screw is essential in these engines for securing various parts, ensuring the engine operates efficiently.

QSB Series

• QSB5.9 CM2880 B115
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

The QSB Series engines are known for their versatility and are used in a range of applications, from agricultural to construction. The 4982774 screw is a critical component in these engines, providing the necessary fastening for various parts to function correctly.

This comprehensive compatibility ensures that the Hexagon Flange Head C Screw is a versatile and essential part for maintaining the integrity and performance of these Cummins engines.

Role of Part 4982774 Hexagon Flange Head C Screw in Engine Systems

The Hexagon Flange Head C Screw is integral in securing various components within engine systems. Its primary function is to provide a robust fastening solution that ensures components remain firmly in place under operational conditions.

Valve Cover Assembly

In the valve cover assembly, the Hexagon Flange Head C Screw is employed to secure the valve cover to the cylinder head. This screw ensures a tight seal, preventing oil leaks and maintaining the integrity of the lubrication system. The flange head design offers additional surface area for torque application, enhancing the screw’s ability to withstand vibrational forces generated during engine operation.

Valve Arrangement

Within the valve arrangement, these screws are used to fasten valve components, such as valve springs and retainers, to the valve stem. This secure attachment is essential for maintaining proper valve operation and ensuring that valves open and close at the correct times. The flange head provides a stable platform for tools, facilitating easier installation and removal during maintenance procedures.

General Component Securing

Across various engine components, the Hexagon Flange Head C Screw serves as a versatile fastening solution. Whether securing covers, plates, or other engine parts, its design ensures a strong and reliable connection. The hexagonal socket allows for precise torque application, reducing the risk of over-tightening or stripping, which can lead to component failure.

Conclusion

In summary, the Hexagon Flange Head C Screw, part number 4982774, plays a significant role in maintaining the structural integrity and operational efficiency of engine systems by securely fastening critical components. Its design and material composition ensure durability, resistance to corrosion, and reliable performance in demanding commercial truck applications.

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