3282074
Hexagon Flange Nut
Cummins®

The Hexagonal Flange Nut (Part #3282074) manufactured by Cummins is a specialized fastener designed for use in heavy-duty truck components. This nut is significant due to its role in ensuring secure and reliable connections within the truck’s mechanical systems. Its design and material composition are tailored to withstand the demanding conditions encountered in heavy-duty applications.

Basic Concepts of Hexagonal Flange Nuts

Hexagonal flange nuts are a type of fastener characterized by a hexagonal head and a flanged base. These nuts are commonly used in mechanical and automotive applications to provide a secure attachment point for bolts. The hexagonal shape allows for easy tightening and loosening using standard tools, while the flange distributes the load and prevents the nut from embedding into softer materials. The standard design of flange nuts ensures they can be used in a variety of applications, providing both strength and stability ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in heavy-duty trucks by securing critical components such as engine parts or chassis elements. Its design ensures that these components remain firmly attached, even under significant stress and vibration. By providing a stable connection, the nut contributes to the overall reliability and performance of the truck.

Key Features

The Hexagonal Flange Nut features a hexagonal shape, which allows for efficient torque application using wrenches or sockets. The flange design enhances load distribution, reducing the risk of the nut sinking into softer materials. Additionally, the nut is composed of high-strength materials, ensuring durability and resistance to wear and corrosion. These features collectively enhance the nut’s performance and reliability in heavy-duty applications ².

Benefits

Using this part offers several benefits. The flange design improves load distribution, ensuring even pressure across the attachment point. This results in a more secure connection that is less likely to loosen over time. The nut’s resistance to vibration and loosening further enhances the security of the attachment. Additionally, the high-strength material composition ensures longevity and reliability in demanding environments.

Installation and Usage Guidelines

Proper installation of the Hexagonal Flange Nut is crucial for ensuring secure and effective use. Begin by selecting the appropriate bolt and ensuring the mating surface is clean and free of debris. Place the nut onto the bolt and hand-tighten it until snug. Use a torque wrench to achieve the recommended torque specification, which ensures the nut is tightened to the correct level without over-tightening. Following these guidelines will help maintain the integrity of the connection ³.

Troubleshooting and Maintenance

Common issues with hexagonal flange nuts include loosening and damage. Loosening can occur due to vibration or insufficient torque during installation. To address this, periodically check the tightness of the nut and re-torque as necessary. Damage to the nut may result from corrosion or excessive force. Inspect the nut regularly for signs of wear or corrosion and replace it if necessary. Proper maintenance will help prolong the lifespan and effectiveness of the nut.

Manufacturer: Cummins

Cummins is a renowned manufacturer with a strong reputation for producing high-quality automotive components. With a history of innovation and commitment to quality, Cummins has established itself as a leader in the industry. Their product range includes a variety of components designed to meet the demanding requirements of heavy-duty applications. Cummins’ dedication to excellence ensures that their products, including the Hexagonal Flange Nut, deliver reliable performance and durability.

Compatibility with Cummins Engines

This part is designed to fit a variety of Cummins engines. Below is a detailed description of the engines with which this part is compatible:

• 4B3.9, 6B5.9, 6C8.3, B3.9 G, B5.9 G, B5.9 GAS PLUS CM556, B6.7 G CMOH6.0 B125, C GAS PLUS CM556, C8.3 G, G5.9
• D4.0 CM2620 D103B, F4.5 CM2620 F139B
• ISB (Chrysler), ISB/ISD4.5 CM2150 B119, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISBE CM2150, ISBE4 CM850
• QSB5.9 44 CM550, QSC8.3 CM554, QSC9 CM2250/QSL9 CM2250, QSK45 CM500

By ensuring a secure fit and maintaining a tight seal, the Hexagonal Flange Nut plays a crucial role in the performance and reliability of these Cummins engines.

Role of Part 3282074 Hexagonal Flange Nut in Engine Systems

The Hexagonal Flange Nut, identified by part number 3282074, is integral to the secure assembly and operation of various engine components. Its application spans across multiple systems, ensuring robust connections and reliable performance.

Electrical and Control Systems

In the electronic control module wiring harness and alternator wiring harness, the Hexagonal Flange Nut is used to fasten critical connections. It secures the electronic control module harness to the chassis, ensuring that the sensitive electronic components remain stable and protected from vibrations. Similarly, in the alternator wiring harness, it plays a role in maintaining the integrity of the electrical connections, which is vital for consistent power supply to the engine’s electrical systems.

Fuel System

Within the fuel system, the Hexagonal Flange Nut is employed in the injector fuel supply tube to ensure a leak-proof connection. This is essential for maintaining fuel pressure and delivering the correct fuel-air mixture to the engine cylinders. Additionally, it is used in the fuel filter assembly to secure the filter housing, preventing any potential fuel leaks and ensuring efficient filtration.

Sensor and Monitoring Systems

For the nitrogen oxide sensor and sensor bracket, the Hexagonal Flange Nut is critical in securing these components to the engine block or exhaust system. This ensures accurate readings and reliable data for the engine control module to adjust fuel injection and ignition timing accordingly. The nut’s robust design helps withstand the high temperatures and pressures associated with exhaust systems.

Ignition System

In the ignition system, particularly around the ignition module and ignition wiring harness, the Hexagonal Flange Nut ensures that all connections are tight and secure. This is important for consistent spark delivery to the cylinders, which is fundamental for engine performance and efficiency.

Structural and Support Systems

The Hexagonal Flange Nut is also utilized in the brace and harness assembly to secure various engine accessories and wiring. This includes fastening the cylinder liner protector and other structural components, providing necessary support and stability to the engine’s internal and external systems.

Instrumentation

Lastly, in the engine instrument panel, the Hexagonal Flange Nut is used to mount sensors and gauges, ensuring they remain firmly in place and provide accurate readings. This is essential for monitoring engine health and performance in real-time.

Conclusion

Overall, the Hexagonal Flange Nut (part 3282074) plays a multifaceted role in ensuring the secure and efficient operation of various engine systems, from electrical and fuel delivery to sensor accuracy and structural integrity.