5447258
Studded Flange Cap Screw
Cummins®

The 5447258 Studded Flanged Cap Screw by Cummins is a specialized fastener designed for use in heavy-duty truck components. This screw is integral to ensuring the secure attachment of various parts within the truck’s mechanical systems. Its robust design and high-quality materials make it a reliable component in demanding environments ¹.

Basic Concepts

A Studded Flanged Cap Screw is a type of fastener that features a threaded stud with a flange at one end and a threaded cap at the other. This design allows for secure attachment and easy removal when necessary. In mechanical systems, these screws are commonly used to join components that require a strong, vibration-resistant connection. The flange provides additional surface area for attachment, enhancing the screw’s ability to withstand dynamic loads ².

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of heavy-duty trucks by securing critical components in place. It is often used in applications where vibrations and dynamic loads are common, such as in the engine, transmission, and chassis systems. By providing a secure and stable connection, this screw helps maintain the integrity and performance of the truck’s mechanical systems ³.

Key Features

The 5447258 is characterized by several key features that enhance its performance and reliability. Its design includes a threaded stud that extends through the components being joined, with a flange at one end to distribute the load and prevent loosening. The cap screw end is threaded to allow for easy installation and removal using standard tools. The screw is typically made from high-strength materials, such as alloy steel, to ensure durability and resistance to wear. Additionally, the threading is precision-cut to provide a secure fit and optimal performance ⁴.

Benefits

This part offers several advantages in heavy-duty truck applications. Its robust design and high-quality materials contribute to enhanced durability, making it suitable for use in demanding environments. The flange provides additional surface area for attachment, which helps resist loosening due to vibrations. The screw’s ease of installation and removal using standard tools simplifies maintenance procedures. Additionally, its resistance to corrosion ensures long-term performance in various operating conditions ¹.

Installation and Usage

Proper installation of the Studded Flanged Cap Screw is crucial to ensure its effectiveness and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without over-tightening, which could damage the screw or the components being joined. Standard tools, such as a torque wrench, should be used for installation. It is also important to ensure that the surfaces being joined are clean and free of debris to prevent corrosion and ensure a secure fit ².

Troubleshooting and Maintenance

Common issues with this part may include loosening, corrosion, or damage due to wear. Regular inspection and maintenance can help identify and address these issues promptly. If loosening is detected, re-tightening the screw to the specified torque can often resolve the issue. Corrosion can be prevented by ensuring that the screw and surrounding components are kept clean and dry. In cases of damage, replacing the screw with a new one is recommended to maintain the integrity of the connection ³.

Compatibility and Applications

The 5447258 is commonly used in various applications within heavy-duty trucks. It is typically found in the engine, transmission, and chassis systems, where secure and vibration-resistant connections are required. Its compatibility with a wide range of components makes it a versatile fastener for many truck systems ⁴.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. With a long history of producing reliable and high-performance truck components, Cummins has established a strong reputation for excellence. The company’s dedication to research and development ensures that its products, including the 5447258 Studded Flanged Cap Screw, meet the rigorous demands of heavy-duty truck applications ¹.

Studded Flanged Cap Screw (Part 5447258) in Cummins Engines

The Studded Flanged Cap Screw, identified by part number 5447258, is a critical component in various Cummins engines, including those used in the ISB (Chrysler) series. This part is designed to provide a secure and reliable connection between different engine components, ensuring the integrity and performance of the engine.

In the ISB engines, the Studded Flanged Cap Screw is typically used in areas where a robust fastening solution is required. Its design, featuring studs and flanges, allows for a strong and stable connection, which is essential for maintaining the structural integrity of the engine under high stress and operational conditions.

The use of this part in Cummins engines is not limited to the ISB series. It is also found in other Cummins engine models where similar fastening requirements are present. The versatility and reliability of the Studded Flanged Cap Screw make it a preferred choice for securing various engine components, ensuring that the engine operates smoothly and efficiently ².

Role of Part 5447258 Studded Flanged Cap Screw in Engine Systems

The 5447258 is integral to the functionality and reliability of various engine components. In the breather system, this screw secures the breather cap to the engine block, ensuring a tight seal that prevents air and contaminants from entering the crankcase. This seal is essential for maintaining the integrity of the engine’s lubrication system, as it allows for the release of pressure while keeping the internal environment clean.

In the crankcase, the studded flanged cap screw plays a significant role in attaching the crankcase cover. This attachment is vital for containing the engine’s internal components, such as the crankshaft, connecting rods, and bearings. The secure fit provided by the screw ensures that the crankcase remains sealed, which is necessary for maintaining proper oil levels and pressure. This, in turn, supports the lubrication and cooling of moving parts, contributing to the engine’s overall performance and longevity ⁴.

Conclusion

The 5447258 Studded Flanged Cap Screw by Cummins is a critical component in heavy-duty truck applications, providing secure and reliable connections in demanding environments. Its robust design, high-quality materials, and ease of installation make it a preferred choice for various mechanical systems. Proper installation, regular maintenance, and understanding its role in engine systems ensure the longevity and performance of heavy-duty trucks ¹²³⁴.