3818824
Hexagon Flange Nut
Cummins®

The Hexagon Flange Nut, identified by part number 3818824, is a critical component manufactured by Cummins, a leader in diesel engine technology. This nut is essential in the realm of commercial trucks due to its role in securing various components and ensuring the integrity of truck systems. Cummins, with its extensive expertise in engine and vehicle component manufacturing, provides this nut as part of its comprehensive range of parts designed for durability and performance in demanding environments ¹.

Basic Concepts and Functionality

A Hexagon Flange Nut is a type of fastener characterized by its hexagonal shape and the presence of a flange—a flat, circular plate attached to the nut. The hexagonal shape allows for efficient tightening and loosening using standard tools, such as wrenches or sockets, which engage with the nut’s six sides. The flange serves multiple purposes: it distributes the load more evenly across the surface it contacts, prevents the nut from rotating during tightening, and can also act as a stop to prevent over-tightening. Within a fastening system, the Hexagon Flange Nut plays a role by securely holding components together, ensuring stability and reliability under various operational conditions ².

Role in Truck Operation

In the context of a commercial truck, the 3818824 Hexagon Flange Nut is utilized in several critical applications. It is commonly employed in the fastening of engine components, chassis parts, and other structural elements where secure and stable connections are paramount. Its design ensures that these connections remain intact under the dynamic and often harsh conditions encountered in truck operation, contributing to the overall safety and performance of the vehicle ³.

Key Features

The 3818824 Hexagon Flange Nut is crafted from high-quality materials, typically a grade of steel that offers excellent strength and corrosion resistance. It features a specific threading type that matches the bolts it is designed to pair with, ensuring a secure fit. Additionally, the nut may undergo special coatings or treatments to enhance its resistance to wear, corrosion, and galling. These design elements collectively contribute to the nut’s performance, durability, and reliability in commercial truck applications.

Benefits

Utilizing the 3818824 Hexagon Flange Nut in truck maintenance and repair offers several advantages. Its design provides resistance to vibration, which is crucial in the dynamic environment of a commercial truck. This resistance helps maintain the integrity of fastened connections over time. The nut’s ease of installation, thanks to its hexagonal shape and flange feature, allows for efficient maintenance procedures. Furthermore, its long-term reliability reduces the need for frequent replacements, contributing to lower maintenance costs and enhanced vehicle uptime.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Nuts include loosening due to vibration, corrosion, and damage from improper installation. Regular inspection of these nuts is recommended to ensure they remain securely fastened and show no signs of wear or corrosion. Proper torque settings should be applied during installation to avoid over-tightening, which can lead to damage, or under-tightening, which can result in loosening. In cases where a nut shows signs of damage or excessive wear, replacement with a new nut of the appropriate specification is advised to maintain the integrity of the fastening system.

About Cummins

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 itself as a pioneer in diesel engine technology and related components. The company’s commitment to quality, innovation, and customer satisfaction is evident in its wide range of products designed for the commercial truck industry, including the 3818824 Hexagon Flange Nut. Cummins’ expertise in engine and vehicle component manufacturing ensures that its parts meet the high standards required for reliable and efficient truck operation ⁴.

Cummins Engine Part 3818824: Hexagon Flange Nut Compatibility

The Cummins part number 3818824, a Hexagon Flange Nut, is a critical component in the assembly and maintenance of various Cummins engines. This part is designed to fit seamlessly with several engine models, ensuring secure fastening and reliable performance. Below is a detailed overview of the engines with which this part is compatible.

Compatible Engines

15N Series

• 15N CM2380 M104B

4B Series

• 4B3.9

6B Series

• 6B5.9

6C Series

• 6C8.3

B4 Series

• B4.5

B5 Series

• B5.6 CM2670 B152B
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556

B6 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125
• B6.7S

C Series

• C GAS PLUS CM556

D4 Series

• D4.0 CM2620 D103B

F3 Series

• F3.8 CM2350 F120B
• F3.8 CM2620 F137B

F4 Series

• F4.5 CM2620 F139B
• F4.5 CM2620 F141C

G5 Series

• G5.9

G8 Series

• G8.3
• G8.3 CM558
• G855

This part is engineered to meet the stringent requirements of Cummins engines, ensuring durability and ease of installation. Whether you are performing routine maintenance or a complete overhaul, the Hexagon Flange Nut 3818824 is a reliable choice for securing flanges and other components in your engine setup.

Role of Part 3818824 Hexagon Flange Nut in Engine Systems

The part 3818824 Hexagon Flange Nut is integral to the secure assembly and operation of various engine components. Its role can be observed in the following areas:

Turbocharger and Compressor Systems

In turbocharger and compressor systems, the Hexagon Flange Nut is used to fasten critical components such as the turbocharger gasket kit and the turbocharger plumbing. It ensures that the connections between the turbocharger, compressor, and the exhaust manifold are tight and secure, which is essential for efficient air flow and pressure management.

Cylinder Block and Connecting Rod

Within the cylinder block, the Hexagon Flange Nut plays a part in securing the connecting rod and piston arrangement. This ensures that the mechanical linkage between the piston and the crankshaft is maintained, allowing for smooth and reliable engine operation.

Exhaust System Components

For the exhaust system, the Hexagon Flange Nut is employed in the mounting of the exhaust manifold, muffler, and the exhaust transfer kit. It helps in creating a sealed and vibration-damped connection, which is vital for reducing noise and ensuring that exhaust gases are efficiently directed away from the engine.

Cooling and Recirculation Systems

In systems involving exhaust gas recirculation (EGR) and recirculation water plumbing, the Hexagon Flange Nut is used to secure sensors and plumbing components. This ensures that the recirculation process is effective in reducing emissions and that the system operates within specified parameters.

Alternator and Vibration Damping

The Hexagon Flange Nut is also crucial in the mounting of the alternator and in the arrangement of dampers that mitigate vibration. This contributes to the overall stability and longevity of the engine by reducing wear and tear on moving parts.

Comprehensive System Integration

Overall, the Hexagon Flange Nut is a versatile fastener that contributes to the integrity of engine systems by providing secure connections across a wide range of components. Its application is widespread, from the initial air intake through the compressor, across the cylinder block, to the final exhaust and recirculation processes.

Conclusion

The 3818824 Hexagon Flange Nut is a vital component in the maintenance and operation of Cummins engines and commercial trucks. Its design, featuring a hexagonal shape and a flange, ensures secure and stable connections under demanding conditions. The nut’s resistance to vibration, corrosion, and wear, along with its ease of installation, makes it an invaluable asset in truck maintenance. Regular inspection and proper installation practices are essential to maintain the integrity of fastened connections and ensure the longevity and reliability of the vehicle.