5260784
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 5260784, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the assembly and maintenance of various truck components, ensuring secure fastening and reliable operation.

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 tightening and loosening using a wrench, while the flange provides additional surface area for distribution of clamping force, reducing the risk of the screw pulling through the material ¹. In a truck’s mechanical system, these screws are used to secure components that require a high degree of stability and resistance to vibration.

Purpose and Role in Truck Operation

This Cummins part plays a role in the operation of a truck by securing critical components that are subject to dynamic loads and vibrations. Its applications range from fastening engine components to securing chassis parts. The screw’s design ensures that it can withstand the rigors of truck operation, maintaining a secure connection between parts and contributing to the overall integrity and safety of the vehicle ².

Key Features

The 5260784 features a hexagonal head that facilitates easy and precise tightening with a wrench. The flange beneath the head enhances the screw’s ability to distribute clamping force, which is crucial for applications where the screw is subject to dynamic loads. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring durability in demanding environments.

Benefits

The benefits of the 5260784 include enhanced fastening security due to its flange design, which prevents the screw from pulling through the material. Its resistance to vibration makes it suitable for use in components that are subject to dynamic loads. Furthermore, the hexagonal head allows for straightforward installation and removal, contributing to efficient maintenance procedures.

Installation and Usage

Proper installation of this part involves using the correct torque specifications to ensure optimal performance without over-tightening, which could lead to damage. It is recommended to use a torque wrench to achieve the manufacturer’s specified torque values. Additionally, ensuring that the surfaces where the screw will be installed are clean and free from debris will contribute to a secure and lasting connection.

Troubleshooting and Maintenance

Common issues with the 5260784, such as loosening or corrosion, can often be addressed through regular inspection and maintenance. If a screw appears loose, it should be re-tightened to the specified torque. Corrosion can be prevented by applying a suitable anti-corrosion coating and ensuring that the screw is installed in a clean, dry environment. Regular maintenance checks will help identify and address issues before they lead to component failure ³.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins is renowned for its commitment to quality and reliability. The company’s reputation in the commercial truck industry underscores the quality and dependability of the 5260784, reflecting Cummins’ dedication to excellence in every component they produce.

Cummins Engine Part 5260784: Hexagon Flange Head Cap Screw

The Cummins part number 5260784, a Hexagon Flange Head Cap Screw, is a critical component used in various Cummins engine models. This screw is designed to provide secure fastening in applications where a strong, reliable connection is essential. Below is a detailed description of how this part fits within the specified engine models:

ISG11 CM2880 G108 and ISG12 CM2880 G107

In the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines, the Hexagon Flange Head Cap Screw is utilized in several key areas. These engines are part of the Cummins ISG series, which are known for their reliability and efficiency in industrial applications. The screw is often employed in securing components such as engine covers, brackets, and other structural elements that require a robust fastening solution. Its flange head design ensures a tight and even distribution of pressure, which is crucial for maintaining the integrity of the engine’s components.

ISG12 G CMOH6.0 G111

The ISG12 G CMOH6.0 G111 engine also benefits from the use of the Hexagon Flange Head Cap Screw. This engine model is part of the ISG series, designed for demanding industrial and marine applications. The screw is used in various mounting and fastening tasks, ensuring that parts are securely held in place under high operational stresses. The flange head provides a large surface area for the application of torque, making it ideal for the rigorous demands of this engine model.

QSG12/X12 CM2350 G110 and QSL9 CM2350 L102

In the QSG12/X12 CM2350 G110 and QSL9 CM2350 L102 engines, the Hexagon Flange Head Cap Screw is integral to the assembly and maintenance processes. These engines are part of the Cummins QSG and QSL series, which are widely used in power generation and industrial applications. The screw is used to fasten various components, including engine covers, manifolds, and other structural parts. Its design ensures that the connections remain secure and stable, even under high operational loads.

X12 CM2350 X119B

The X12 CM2350 X119B engine also incorporates the Hexagon Flange Head Cap Screw in its construction. This engine model is part of the Cummins X series, known for its versatility and performance in various applications. The screw is used in numerous fastening applications, ensuring that all components are securely attached. Its flange head design allows for easy and efficient tightening, which is essential for maintaining the engine’s operational integrity.

In summary, the Cummins part number 5260784, a Hexagon Flange Head Cap Screw, is a vital component across multiple engine models. Its design and functionality make it suitable for securing various parts in engines that demand high reliability and performance.

Role of Part 5260784 Hexagon Flange Head Cap Screw in Engine Systems

The part 5260784 Hexagon Flange Head Cap Screw is a versatile fastener utilized in various components of engine systems to ensure secure and reliable connections. Its application spans across multiple parts, contributing to the overall integrity and performance of the engine.

Adapter

In the context of adapters, the Hexagon Flange Head Cap Screw is employed to fasten the adapter to the engine block or other components. This secure attachment is essential for maintaining the alignment and stability of the adapter, which often serves as a connection point for fluid lines or other mechanical components.

Front Drive

For the front drive system, this screw plays a significant role in attaching the front drive components to the engine or transmission. It ensures that the drive components remain firmly in place, which is vital for the efficient transfer of power from the engine to the wheels.

Engine Mounting Plate

The engine mounting plate is another area where the Hexagon Flange Head Cap Screw is utilized. It secures the engine to the vehicle’s frame, providing a stable foundation for the engine. This attachment is important for absorbing vibrations and ensuring the engine remains in the correct position during operation.

Housing

In housing components, such as those enclosing the flywheel or other engine parts, the screw is used to fasten the housing cover. This secures the internal components and protects them from external elements, contributing to the longevity and reliability of the engine.

Flywheel

The flywheel housing often requires the Hexagon Flange Head Cap Screw to maintain a tight seal and secure fit. This is important for the flywheel’s function in storing rotational energy and smoothing out the power delivery from the engine.

Intercooler

For intercoolers, which are used to cool the air between stages of compression in a turbocharged engine, the screw is employed to attach the intercooler to the engine bay. This ensures that the intercooler remains in the optimal position for effective air cooling.

Pump

In auxiliary pumps, such as those used for fuel or oil circulation, the Hexagon Flange Head Cap Screw is used to secure the pump to its mounting bracket. This attachment is essential for the pump’s stable operation and efficient fluid delivery.

Auxiliary

Auxiliary components, which may include various sensors or emission control devices, often require the Hexagon Flange Head Cap Screw for secure attachment. This ensures that these components remain in place and function correctly throughout the engine’s operation.

Valve Spring Compressor

Lastly, in the valve train system, the screw is used in conjunction with a valve spring compressor to hold the compressor in place during valve adjustments or replacements. This secure attachment is important for maintaining the compressor’s position and ensuring safe and accurate valve work.

Overall, the Hexagon Flange Head Cap Screw is a fundamental component in ensuring the secure and reliable operation of various engine system parts. Its widespread use across different components underscores its importance in maintaining the structural integrity and performance of the engine.

Conclusion

The 5260784 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of Cummins engines, ensuring secure fastening and reliable operation across various engine models and components. Its design, featuring a hexagonal head and a flange, provides efficient tightening, enhanced clamping force distribution, and resistance to corrosion and wear. Proper installation and maintenance are essential to maximize its benefits and ensure the longevity and performance of the engine systems it supports.