3920371
Studded Flange Cap Screw
Cummins®

Introduction

The Studded Flange Cap Screw, part number 3920371, is a component utilized in heavy-duty trucks, manufactured by Cummins, a reputable name in the automotive and heavy-duty truck industry. This screw plays a role in ensuring the structural integrity and operational efficiency of trucks by securing various components.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener designed to join flanges or other components in mechanical systems. It consists of a threaded shaft and a head, which may include a flange. The screw operates by threading into a corresponding nut or directly into a tapped hole, providing a secure connection that can withstand significant stress and vibration ¹.

Purpose of the 3920371 Studded Flange Cap Screw

The 3920371 Studded Flange Cap Screw is specifically designed to secure flanges and other components within a truck’s system. Its application ensures that parts remain firmly attached, which is vital for the safe and efficient operation of the vehicle. This screw is particularly useful in environments where components are subject to high stress and vibration ².

Key Features

The 3920371 Studded Flange Cap Screw is constructed with a focus on durability and performance. It is made from high-strength materials, ensuring it can withstand the rigors of heavy-duty truck operation. The screw features precise threading that allows for a secure fit, and its design includes a flange that distributes load more evenly across the connection point, enhancing stability ³.

Benefits

Using the 3920371 Studded Flange Cap Screw offers several advantages. It provides improved fastening strength, which is crucial in applications where components are under significant stress. The screw’s design also offers resistance to vibration, reducing the likelihood of loosening over time. Additionally, its construction ensures longevity, even in harsh operating conditions ⁴.

Installation Process

Proper installation of the 3920371 Studded Flange Cap Screw is key to ensuring optimal performance and safety. The process involves cleaning the mating surfaces, aligning the screw with the corresponding hole or nut, and tightening it to the specified torque. Careful attention to these steps helps prevent damage to the screw or the components it secures.

Troubleshooting and Maintenance

Common issues with the 3920371 Studded Flange Cap Screw may include loosening due to vibration or corrosion. Regular inspection and maintenance, such as checking for tightness and signs of wear or corrosion, can help identify problems early. Recommended practices include periodic re-tightening and applying anti-seize compound to prevent corrosion.

Compatibility and Applications

The 3920371 Studded Flange Cap Screw is designed for use in heavy-duty trucks, where it finds applications in securing flanges and other critical components. Its design and specifications make it suitable for a variety of truck models and systems, ensuring reliable performance across different applications.

Safety Considerations

When working with the 3920371 Studded Flange Cap Screw, it is important to observe safety guidelines to prevent accidents. This includes using the appropriate tools for installation and maintenance, wearing personal protective equipment, and ensuring the work area is clean and free from hazards. Proper handling and storage of the screw also contribute to safety and longevity.

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 quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations. The company’s reputation for reliability and performance is well-established in the automotive and heavy-duty truck industry.

Cummins Engine Compatibility with Part 3920371

The Studded Flange Cap Screw, part number 3920371, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral in securing flanges and ensuring the integrity of connections within the engine’s assembly.

6B5.9 and QSB5.9 44 CM550

The 6B5.9 and QSB5.9 44 CM550 engines both benefit from the use of the 3920371 Studded Flange Cap Screw. These engines, known for their robust design and reliability, often require precise fastening solutions to maintain operational efficiency and safety. The studded flange cap screw provides the necessary strength and durability to withstand the operational stresses these engines endure.

B4.5 RGT and ISB CM550

Similarly, the B4.5 RGT and ISB CM550 engines are compatible with the 3920371 Studded Flange Cap Screw. These engines, which are part of Cummins’ lineup of high-performance diesel engines, rely on this component to ensure that flanges are securely fastened. This is crucial for maintaining the structural integrity of the engine and preventing leaks or failures that could result from loose connections.

The use of the 3920371 Studded Flange Cap Screw across these engines underscores its versatility and importance in Cummins’ engine designs. This part is engineered to meet the stringent requirements of Cummins’ engines, ensuring that each engine operates at peak performance.

Role of Part 3920371 Studded Flange Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 3920371 Studded Flange Cap Screw plays a role in ensuring the secure attachment and proper functioning of various components.

Cover Assembly

The cover, which encases sensitive engine parts, relies on the 3920371 Studded Flange Cap Screw for a tight and durable seal. This screw ensures that the cover remains firmly in place, protecting internal components from external contaminants and maintaining the engine’s structural integrity.

Front Gear Mechanism

In the front gear assembly, the 3920371 Studded Flange Cap Screw is instrumental in securing the gear to its housing. This secure attachment is essential for the smooth transmission of power and the precise operation of the gear, which is vital for the engine’s overall performance.

Injector Plumbing System

The injector plumbing, responsible for delivering fuel to the engine’s combustion chambers, depends on the 3920371 Studded Flange Cap Screw to maintain the integrity of the plumbing connections. This screw ensures that the fuel lines are securely fastened, preventing leaks and ensuring consistent fuel delivery.

Sensor Mounting

Sensors, which monitor various engine parameters, require a stable and secure mounting solution. The 3920371 Studded Flange Cap Screw provides the necessary stability for sensor attachment, ensuring accurate readings and reliable performance.

Speed Control Components

In speed control systems, the 3920371 Studded Flange Cap Screw is used to secure components that regulate engine speed. This secure attachment is important for maintaining the engine’s speed within desired parameters, contributing to efficient operation and performance.

Conclusion

The 3920371 Studded Flange Cap Screw by Cummins is a critical component in the maintenance and operation of heavy-duty trucks and engines. Its design, durability, and compatibility with various Cummins engine models make it an essential part for ensuring the structural integrity and operational efficiency of these vehicles. Proper installation, maintenance, and understanding of its applications are key to maximizing the benefits of this Cummins part.