3896724
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #3896724, is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is integral to the maintenance and operation of commercial trucks, providing reliable fastening solutions that ensure the integrity and performance of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt 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 distributes the load over a larger area, reducing the risk of the screw sinking into softer materials ¹. Within mechanical systems, these screws play a role in securely fastening components together, ensuring structural stability and proper function.

Purpose and Role in Truck Operation

The 3896724 Hexagon Flange Head Cap Screw is designed to meet the demanding requirements of commercial truck applications. It is utilized in areas where high torque and resistance to loosening are required, such as in the fastening of engine components, chassis parts, and other critical assemblies. Its role in truck operation involves maintaining the structural integrity of these components under various operational stresses ².

Key Features

The 3896724 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise torque application. The flange beneath the head provides additional surface area for load distribution, enhancing the screw’s performance in applications where the underlying material may be soft or prone to deformation. Additionally, the screw is manufactured from high-quality materials that offer excellent corrosion resistance and durability, ensuring long-term reliability in harsh operating environments ³.

Benefits

Using the 3896724 Hexagon Flange Head Cap Screw offers several advantages. Its design allows for improved torque application, ensuring that components are securely fastened. The flange characteristic reduces the likelihood of the screw loosening over time, even under dynamic loads. Furthermore, the material properties of the screw contribute to enhanced structural integrity in fastening applications, supporting the reliable operation of truck components.

Installation and Usage Guidelines

Proper installation of the 3896724 Hexagon Flange Head Cap Screw is vital for optimal performance. It is recommended to use the appropriate torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Best practices include cleaning the installation area to remove any debris or contaminants that could affect the screw’s performance and using the correct tools to apply torque evenly.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening over time or corrosion in exposed applications. Regular inspection and maintenance can help identify and address these issues early. Maintenance tips include checking for signs of wear or corrosion, ensuring the screw is properly torqued, and replacing screws that show signs of damage or excessive wear to maintain the reliability of the fastening application.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe safety guidelines to prevent accidents and injuries. This includes using the correct tools for installation and removal, wearing appropriate personal protective equipment (PPE), and ensuring the work area is clean and free from hazards. Proper storage of screws, away from moisture and contaminants, is also crucial to maintain their integrity and performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong history of innovation and quality, Cummins has established a reputation for excellence in the commercial truck industry. The company’s commitment to quality, innovation, and customer satisfaction is evident in its wide range of products, including the 3896724 Hexagon Flange Head Cap Screw, which is designed to meet the rigorous demands of commercial truck applications.

Hexagon Flange Head Cap Screw 3896724 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3896724, manufactured by Cummins, is a critical component in various Cummins engines. This screw is designed to provide secure fastening in applications where high strength and durability are essential. Below is a detailed look at how this part integrates with different Cummins engines.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN
• QSM11 CM570
• QSM11 CM876

The ISM series engines, including the ISM CM570, ISM CM570/876, ISM CM876, ISM11 CM876 SN, QSM11 CM570, and QSM11 CM876, utilize the Hexagon Flange Head Cap Screw 3896724 in several key areas. This screw is often employed in securing components such as engine covers, valve covers, and other critical assemblies that require robust fastening solutions. Its design ensures that these parts remain tightly secured under the high stress and vibrations typical of diesel engines.

ISX Series Engines

• ISX CM871
• ISX15 CM2250

In the ISX series engines, specifically the ISX CM871 and ISX15 CM2250, the Hexagon Flange Head Cap Screw 3896724 is used in similar applications as in the ISM series. These engines, known for their power and efficiency, require reliable fastening to maintain structural integrity and operational safety. The screw’s flange head provides a larger bearing surface, distributing the load more evenly and preventing stripping or loosening over time.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL, also benefit from the use of the Hexagon Flange Head Cap Screw 3896724. This screw is integral in securing various engine components, ensuring that parts such as intake manifolds, exhaust systems, and other critical assemblies remain firmly attached. The durability and strength of this screw are particularly important in these engines, which are designed for heavy-duty applications.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, incorporate the Hexagon Flange Head Cap Screw 3896724 in several key areas. This screw is used to secure components such as cylinder heads, engine blocks, and other critical parts. The screw’s design ensures that these parts remain securely fastened under the high pressures and temperatures typical of diesel engines.

QSX Series Engine

• QSX15 CM2250 ECF

The QSX15 CM2250 ECF engine utilizes the Hexagon Flange Head Cap Screw 3896724 in similar applications as the other Cummins engines. This screw is essential for securing various components, ensuring that parts such as engine covers, valve covers, and other critical assemblies remain firmly attached. The screw’s flange head provides a larger bearing surface, distributing the load more evenly and preventing stripping or loosening over time.

Role of Part 3896724 Hexagon Flange Head Cap Screw in Engine Systems

The 3896724 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and efficient operation.

In the cooler system, this screw is utilized to fasten the engine oil cooler to the cylinder block. This secure attachment is vital for maintaining the structural integrity of the cooler, which is essential for dissipating heat from the engine oil.

When it comes to the oil filter cooler, the 3896724 screw plays a role in attaching the cooler to its designated mounting points. This ensures that the cooler remains in place, allowing for effective cooling of the oil before it is recirculated through the engine.

In the context of the cylinder block stiffener plate, the screw is employed to reinforce the plate’s attachment to the cylinder block. This reinforcement is important for enhancing the structural rigidity of the engine, which can contribute to improved performance and durability.

For the refrigerant compressor, the 3896724 screw is used in the mounting process, securing the compressor to the engine or its designated platform. Proper mounting is essential for the compressor’s operation, as it ensures that the refrigerant system functions correctly within the engine environment.

In product installation kits, this screw often serves as a standard fastener for various components, providing a reliable means of attachment that can be trusted across different engine systems.

The screw is also found in the assembly of the oil pan, where it helps in securing the pan to the engine block. This attachment is important for maintaining the integrity of the oil pan, which houses the engine oil and is fundamental to the lubrication system.

Lastly, in systems involving exhaust recirculation, the 3896724 screw may be used to attach components that facilitate the recirculation of exhaust gases back into the engine. This can help in reducing emissions and improving engine efficiency.

Conclusion

The 3896724 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and a flange, ensures efficient torque application and load distribution, making it suitable for securing critical engine parts under demanding conditions. The screw’s high-quality materials offer excellent corrosion resistance and durability, contributing to the long-term reliability of truck and engine components. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the performance and lifespan of this Cummins part.