5257506
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #5257506, is a component manufactured by Cummins, a leader in the commercial truck industry. This screw is significant in the maintenance and operation of commercial trucks, providing a reliable fastening solution that ensures the integrity of various truck components. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of heavy-duty applications ².

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener 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 to distribute the load and prevent the screw from sinking into the material. Within mechanical systems, these screws are used to secure components together, ensuring structural integrity and proper function ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes applications in the engine, transmission, and chassis, where the screw helps to maintain the alignment and integrity of critical parts. Its design ensures that components remain securely fastened under the dynamic conditions experienced by commercial trucks.

Key Features

The 5257506 features a hexagonal head that allows for straightforward and efficient torque application. The flange at the base of the screw provides additional surface area, which helps to distribute the load more evenly and prevents the screw from pulling through the material. Additionally, the screw is made from high-quality materials that offer enhanced durability and resistance to corrosion, ensuring long-term performance in demanding environments.

Benefits

This part offers several benefits that contribute to its effectiveness in commercial truck applications. Its design allows for improved torque application, ensuring that components are securely fastened. The flange characteristic provides resistance to loosening, which is crucial in dynamic environments. Furthermore, the enhanced load distribution offered by the flange helps to prolong the lifespan of both the screw and the components it secures.

Installation and Usage

Proper installation of the 5257506 is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by Cummins to achieve the correct fastening tension. Best practices include ensuring that the surfaces are clean and free from debris before installation, and using the correct tools to apply torque evenly. Following these guidelines will help to maintain the integrity of the fastening and the components involved.

Troubleshooting and Maintenance

Common issues with the 5257506 may include loosening or corrosion. Regular inspection and maintenance can help to identify and address these issues promptly. If loosening is detected, re-torquing the screw to the specified levels can often resolve the issue. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help to prolong the screw’s lifespan. Routine maintenance and timely replacement when necessary will ensure reliable operation.

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 committed to providing high-quality, innovative solutions for the commercial truck industry. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. Cummins’ dedication to quality and customer satisfaction underscores their position as a trusted partner in the industry ².

Hexagon Flange Head Cap Screw (Part 5257506) in Cummins Engines

The Hexagon Flange Head Cap Screw, identified by the part number 5257506, is a critical component in the assembly of several Cummins engines. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity of engine components.

Application in Cummins Engines

QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117

The 5257506 screw is utilized in both the QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines. In these engines, the screw is typically used for securing various engine components, such as cylinder heads, valve covers, and other critical parts that require robust fastening.

QSB6.7 CM850 (CM2850)

In the QSB6.7 CM850 (CM2850) engine, the 5257506 screw is integral to the assembly of the cylinder head. This engine, known for its durability and performance, relies on precise fastening to maintain the structural integrity of the engine under high operational stresses.

QSB7 CM2880 B117

Similarly, in the QSB7 CM2880 B117 engine, the 5257506 screw is employed in securing the cylinder head and other critical engine components. This engine variant is designed for heavy-duty applications, and the use of this screw ensures that all parts are fastened securely, contributing to the engine’s overall reliability and longevity.

The use of the 5257506 screw in these engines underscores its importance in maintaining the structural integrity and performance of Cummins engines. Its design and material ensure that it can withstand the rigors of engine operation, providing a reliable fastening solution for critical engine components.

Role of Part 5257506 Hexagon Flange Head Cap Screw in Engine Systems

Mounting Applications

Part 5257506 Hexagon Flange Head Cap Screw is extensively utilized in the mounting of various engine components. Its design allows for secure fastening, ensuring that components remain firmly in place under operational stress. This screw is particularly effective in mounting brackets, sensor housings, and other auxiliary components that require a robust connection to the engine block or chassis. The flange head provides additional surface area for torque application, enhancing the stability and reliability of the mount.

Intake Connection

In the context of intake systems, Part 5257506 Hexagon Flange Head Cap Screw plays a significant role in securing intake manifolds, throttle bodies, and other critical components. The screw’s hexagonal head allows for easy tightening and loosening using standard tools, ensuring that intake connections remain airtight and vibration-resistant. This is essential for maintaining optimal airflow into the engine, which directly impacts performance and efficiency. The flange head also helps distribute clamping force more evenly, reducing the risk of leaks and ensuring a consistent seal across the intake system.

Conclusion

The 5257506 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flanged base, ensures secure fastening and load distribution, contributing to the structural integrity and performance of critical engine components. Proper installation, regular maintenance, and timely replacement are essential to ensure the longevity and reliability of this part in demanding heavy-duty applications.