5302779
Air Transfer Pipe
Cummins®

The 5302779 Studded Flanged Cap Screw is a specialized fastener designed for heavy-duty truck applications. Manufactured by Cummins, a well-established company known for its quality and innovation in the automotive and heavy-duty truck industry, this screw plays a significant role in ensuring secure fastening in various truck components and systems, contributing to the overall performance and reliability of heavy-duty trucks ¹.

Basic Concepts of Studded Flanged Cap Screws

A studded flanged cap screw is a type of fastener that combines the features of a stud and a cap screw. It consists of a threaded shank, a flange at one end, and a hexagonal head at the other. The flange provides additional surface area for load distribution and prevents the screw from pulling through the material. Compared to standard cap screws, studded flanged cap screws offer enhanced fastening security and resistance to vibration. They are particularly useful in applications where high tensile strength and secure fastening are required ².

Purpose and Role in Truck Operation

The 5302779 Studded Flanged Cap Screw is specifically designed for use in heavy-duty trucks. It plays a role in ensuring secure fastening in various truck components and systems, such as engine mounts, transmission housings, and chassis assemblies. By providing a robust and reliable fastening solution, this screw helps maintain the structural integrity and performance of the truck under demanding conditions ³.

Key Features

The 5302779 Studded Flanged Cap Screw features a robust design, high-quality material composition, precise threading, and a well-engineered flange. These characteristics contribute to its functionality and durability. The screw is typically made from high-strength steel, which provides excellent tensile strength and resistance to wear and corrosion. The precise threading ensures secure and consistent fastening, while the flange enhances load distribution and prevents the screw from pulling through the material.

Benefits

The 5302779 Studded Flanged Cap Screw offers several benefits, including enhanced fastening security, resistance to vibration, and improved load distribution. These benefits contribute to the overall performance and reliability of heavy-duty trucks. The secure fastening provided by this screw helps maintain the structural integrity of critical components, ensuring safe and efficient operation. Additionally, the resistance to vibration reduces the risk of loosening over time, enhancing the longevity and reliability of the fastening solution.

Installation Guidelines

Proper installation of the 5302779 Studded Flanged Cap Screw is crucial for optimal performance and longevity. Follow these step-by-step instructions for installation:

1. Ensure the mating surfaces are clean and free of debris.
2. Align the screw with the designated hole and insert it until the flange makes contact with the surface.
3. Use a torque wrench to tighten the screw to the recommended torque specification. This ensures consistent and secure fastening without over-tightening, which could damage the screw or the material.
4. Double-check the tightness of the screw after initial installation to ensure it remains secure under operating conditions.

Troubleshooting and Maintenance

Common issues with studded flanged cap screws include loosening due to vibration, corrosion, and wear. To troubleshoot these issues, inspect the screw and mating surfaces for signs of damage or corrosion. If necessary, clean the surfaces and re-torque the screw to the recommended specification. Regular maintenance, including inspection and re-torqueing, can help prolong the lifespan of the fastener and ensure continued secure fastening.

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 has established a reputation for quality, innovation, and customer satisfaction in the automotive and heavy-duty truck industry. The company is committed to providing reliable and high-performance products that meet the demanding needs of its customers.

Studded Flanged Cap Screw 5302779 in Cummins Engines

The Studded Flanged Cap Screw 5302779, manufactured by Cummins, is a critical component in several of their engine models. This part is designed to provide secure fastening in various engine applications, ensuring the integrity and reliability of the engine’s structure.

Application in Cummins Engines

4B3.9

The 4B3.9 engine utilizes the 5302779 Studded Flanged Cap Screw in several key areas, primarily for securing components that require robust and reliable fastening. This engine, known for its durability and performance, benefits from the precision and strength provided by this screw.

ISF2.8 CM2220 F129 and R2.8 CM2220 R101B

Both the ISF2.8 CM2220 F129 and R2.8 CM2220 R101B engines incorporate the 5302779 Studded Flanged Cap Screw in similar applications. These engines, part of Cummins’ CM2220 series, are designed for high-performance and efficiency. The screw’s design ensures that critical engine components remain tightly fastened under various operating conditions.

QSB4.5 CM850 (CM2850)

The QSB4.5 CM850 (CM2850) engine also relies on the 5302779 Studded Flanged Cap Screw for securing various engine parts. This engine, known for its versatility and power, uses this screw to maintain the structural integrity of its components, ensuring smooth and reliable operation.

Each of these engines benefits from the use of the 5302779 Studded Flanged Cap Screw, which provides the necessary strength and reliability for their specific applications.

Role of Part 5302779 Studded Flanged Cap Screw in Engine Systems

The Part 5302779 Studded Flanged Cap Screw is instrumental in ensuring secure and reliable connections within various engine systems. Its design allows it to effectively join components that require robust fastening, particularly in environments where vibrations and dynamic forces are prevalent.

Connection Systems

In engine systems, the Studded Flanged Cap Screw is often used to connect critical components such as manifolds, valve covers, and cylinder heads. These connections demand high tensile strength and resistance to loosening over time. The studded design provides additional support, reducing the risk of screw pull-out, while the flanged head ensures a uniform distribution of clamping force, enhancing the integrity of the joint.

Air Transfer Systems

Within air transfer systems, the Studded Flanged Cap Screw plays a significant role in securing intake and exhaust manifolds to the engine block. This ensures a sealed connection that prevents air leaks, which can adversely affect engine performance and efficiency. The screw’s design helps maintain a consistent seal under varying thermal conditions, as engines often experience significant temperature fluctuations during operation.

By providing a stable and secure fastening solution, the Part 5302779 contributes to the overall reliability and performance of engine systems, facilitating efficient operation and longevity of the connected components.

Conclusion

The 5302779 Studded Flanged Cap Screw is a vital component in heavy-duty truck and engine applications. Its robust design, high-quality material, and precise engineering ensure secure fastening, resistance to vibration, and improved load distribution. Proper installation and maintenance are essential for optimal performance and longevity. Cummins’ commitment to quality and innovation is evident in the design and functionality of this screw, making it a reliable choice for demanding applications.