3904828
Hexagon Flange Nut
Cummins®

The Hexagonal Flange Nut (Part #3904828) manufactured by Cummins is a specialized fastening component designed for commercial truck applications. This nut is significant due to its robust construction and reliable performance under demanding conditions. Its key features include a hexagonal shape for easy tightening, a flange that distributes load and prevents loosening, and a durable material composition suited for heavy-duty use. These attributes contribute to its effectiveness in securing critical components in commercial trucks.

Basic Concepts of Hexagonal Flange Nuts

A hexagonal flange nut is a type of fastener characterized by its six-sided head and an integrated flange. This design allows for efficient tightening using standard tools and provides additional surface area to distribute clamping force, reducing the risk of the nut working loose. Mechanically, the hexagonal shape ensures that torque is applied evenly, while the flange enhances stability. Typically, these nuts are constructed from materials like steel or stainless steel, chosen for their strength and resistance to corrosion ¹.

Role of the 3904828 Hexagonal Flange Nut in Truck Operation

The 3904828 Hexagonal Flange Nut plays a specific role in the operation of commercial trucks by securing various critical components. It is commonly associated with engine mounts, exhaust systems, and chassis assemblies. In engine mounts, it helps to maintain the engine’s position and absorb vibrations. Within exhaust systems, it ensures that connections remain tight, preventing leaks. For chassis assemblies, it provides the necessary clamping force to hold components in place under dynamic loads ².

Key Features

The 3904828 Hexagonal Flange Nut features a hexagonal shape that allows for straightforward installation and removal using common tools. The flange design enhances its ability to resist loosening by distributing the load more effectively than standard nuts. Constructed from high-quality materials, this nut offers excellent durability and resistance to wear and corrosion. Additionally, its design includes features that improve performance and longevity in demanding truck applications.

Benefits

Using the 3904828 Hexagonal Flange Nut in truck applications offers several benefits. Its design provides improved fastening security, making it less likely to loosen over time compared to standard nuts. The flange contributes to vibration resistance, which is crucial in the dynamic environment of a commercial truck. Ease of installation is another advantage, as the hexagonal shape allows for efficient tightening. Furthermore, the durable material composition ensures longevity, reducing the need for frequent replacements ³.

Installation and Usage Guidelines

Proper installation of the 3904828 Hexagonal Flange Nut is vital for optimal performance and safety. Torque specifications should be followed to ensure the nut is tightened to the correct level without over-tightening, which could damage threads or components. Recommended tools include a torque wrench for precise application of force. Best practices involve inspecting the nut and mating surfaces for cleanliness and proper alignment before installation to ensure a secure fit ⁴.

Troubleshooting and Maintenance

Common issues with the 3904828 Hexagonal Flange Nut may include loosening, corrosion, or damage. Troubleshooting steps involve checking for proper torque, ensuring that mating surfaces are clean and free of debris, and inspecting for signs of wear or damage. Maintenance tips to prolong the life of the nut include regular inspection for signs of loosening or corrosion, and re-torquing as necessary. Keeping the nut and surrounding areas clean can also help prevent corrosion and extend its service life.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established manufacturer with a strong reputation in the commercial truck industry. Founded in 1919, the company has a long history of innovation and quality in engine and component manufacturing. Cummins is known for its commitment to producing reliable and high-performance parts, including the 3904828 Hexagonal Flange Nut. Their focus on quality and continuous improvement ensures that their products meet the rigorous demands of commercial truck applications.

Hexagonal Flange Nut 3904828 Compatibility with Cummins Engines

The Cummins part number 3904828, a Hexagonal Flange Nut, is designed to fit a variety of Cummins engines. This part is integral in securing components within the engine assembly, ensuring proper alignment and stability. Below is a detailed look at the compatibility of this part with specific Cummins engines:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of Cummins’ B series, known for their robust performance and reliability in various applications. The Hexagonal Flange Nut 3904828 is compatible with these engines, providing a secure fastening solution for critical engine components. Its design ensures that it can withstand the operational stresses and vibrations inherent in these engines.

6C8.3 and B5.9 G Engines

The 6C8.3 and B5.9 G engines are also part of the B series, offering a balance of power and efficiency. The Hexagonal Flange Nut 3904828 fits these engines seamlessly, contributing to the overall integrity of the engine assembly. This part is essential for maintaining the alignment and securing various engine parts, ensuring smooth and reliable operation.

C8.3 G and QSC8.3 CM850 (CM2850) Engines

The C8.3 G engine is another variant in the C series, known for its versatility and performance. The QSC8.3 CM850 (CM2850) engine, part of the QSC series, is designed for heavy-duty applications. The Hexagonal Flange Nut 3904828 is compatible with both these engines, providing a reliable fastening solution that meets the demands of their respective applications.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2350 L102 Engines

The QSC9 CM2250 and QSL9 CM2250 engines are part of the QSC series, known for their durability and efficiency. The QSL9 CM2350 L102 engine is a high-performance variant within the QSL series. The Hexagonal Flange Nut 3904828 fits these engines, ensuring that critical components are securely fastened. This part is crucial for maintaining the structural integrity and operational efficiency of these engines.

Role of Part 3904828 Hexagonal Flange Nut in Engine Systems

The part 3904828 Hexagonal Flange Nut is integral to the secure assembly and operation of various engine components. Its application ensures the stability and efficiency of the engine system by providing a robust fastening solution.

Air Cleaner Assembly

In the air cleaner assembly, the Hexagonal Flange Nut is used to fasten the air cleaner housing to the engine block or intake manifold. This secure attachment prevents air leaks, ensuring that the engine receives a consistent airflow, which is essential for optimal combustion and performance.

Front Gear Train Accessory Drive

Within the front gear train accessory drive system, the Hexagonal Flange Nut plays a role in attaching accessories such as the alternator, power steering pump, and air conditioning compressor to the engine. This secure mounting is vital for the proper functioning and alignment of these accessories, ensuring they operate efficiently without undue stress or movement.

Power Steering Assembly

In the power steering assembly, the Hexagonal Flange Nut is employed to fasten the power steering pump to the engine block. This secure attachment is necessary for the stable operation of the power steering system, ensuring that the pump can deliver consistent hydraulic pressure to the steering mechanism, thereby enhancing vehicle maneuverability and driver control.

Mounting Components

Across various mounting applications, the Hexagonal Flange Nut is utilized to secure engine mounts, transmission mounts, and other critical components to the vehicle’s chassis. This ensures that the engine and transmission remain firmly in place, reducing vibrations and enhancing the overall stability and performance of the vehicle.

Conclusion

The Hexagonal Flange Nut’s role in these engine systems underscores its importance in maintaining the integrity and efficiency of the engine’s operation. Its robust design and secure fastening capabilities are essential for the reliable performance of the engine and its associated components.