4900463
Hexagon Flange Nut
Cummins®

The 4900463 Standard Hex Nut by Cummins is a specialized fastener designed for heavy-duty truck applications. Its purpose is to provide a secure connection between various components, ensuring the integrity and reliability of the truck’s assembly. This hex nut is integral to maintaining the structural and functional stability of heavy-duty trucks under demanding conditions.

Basic Concepts of Standard Hex Nuts

A standard hex nut is a type of fastener with a hexagonal shape that allows it to be tightened or loosened using a wrench. In mechanical applications, hex nuts are used to secure bolts, screws, and other threaded components. They function by creating a firm connection that resists loosening due to vibration or movement, thus ensuring the stability and safety of the assembled parts ¹.

Purpose and Role in Truck Operation

The 4900463 Standard Hex Nut plays a specific role in the operation of heavy-duty trucks by securing various components such as engine parts, chassis elements, and other critical assemblies. It contributes to the secure assembly of these components, which is vital for the truck’s performance and durability. By providing a reliable fastening solution, this hex nut helps maintain the structural integrity of the truck under heavy loads and harsh operating conditions ².

Key Features

The 4900463 Standard Hex Nut is characterized by several key features that enhance its functionality. It is made from high-quality materials, typically steel, which offers excellent strength and durability. The nut has a specific size and thread type designed to match the bolts it secures, ensuring a precise fit. Additionally, it may feature unique design elements such as a locking mechanism to prevent loosening, further enhancing its reliability in heavy-duty applications ³.

Benefits

Using the 4900463 Standard Hex Nut offers several benefits. Its durable material composition ensures long-lasting performance, even under demanding conditions. The nut’s design provides resistance to vibration, which is common in heavy-duty truck operations, helping to maintain a secure connection over time. Additionally, its ease of installation, thanks to the hexagonal shape, allows for quick and efficient fastening, reducing downtime during maintenance or repairs.

Installation Process

Proper installation of the 4900463 Standard Hex Nut involves several steps to ensure a secure fit. Begin by selecting the appropriate wrench that matches the hex nut’s size. Place the nut onto the threaded bolt and use the wrench to tighten it until it reaches the specified torque. It is important to follow the manufacturer’s torque specifications to avoid over-tightening, which can damage the threads, or under-tightening, which can lead to loosening. Regularly check the nut during operation to ensure it remains secure.

Troubleshooting and Maintenance

Common issues with the 4900463 Standard Hex Nut may include loosening due to vibration or corrosion over time. To troubleshoot these issues, regularly inspect the nut for signs of wear or damage. If loosening is detected, re-tighten the nut to the specified torque. To prevent corrosion, apply a corrosion-resistant coating or use anti-seize compound during installation. Regular maintenance, including periodic checks and re-tightening, will help prolong the lifespan of the nut and ensure continued reliable performance.

Common Applications

The 4900463 Standard Hex Nut is typically used in various applications within heavy-duty trucks. It is commonly found securing engine components, such as cylinder head bolts, and chassis parts, including frame brackets and suspension mounts. Its versatility and reliability make it suitable for a wide range of critical assemblies where a secure and durable fastening solution is required.

Safety Considerations

When working with the 4900463 Standard Hex Nut, it is important to adhere to safety considerations to ensure proper installation and maintenance. Always use the correct tools and follow the manufacturer’s torque specifications to avoid over-tightening or under-tightening. Regular inspections should be conducted to check for any signs of wear, corrosion, or loosening. Proper handling and storage of the nuts are also important to maintain their integrity and performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history of innovation and commitment to quality, Cummins serves various industries, including transportation, construction, and power generation. The company is known for its robust and reliable products, designed to meet the demanding needs of heavy-duty applications.

Cummins Engine Compatibility with Hex Nut Part 4900463

The Cummins Standard Hex Nut part number 4900463 is designed to fit seamlessly within a range of Cummins engines, ensuring reliable performance and durability. This hex nut is a critical component in various engine assemblies, providing essential fastening and stability.

A1400 and A1700 Engines

The A1400 and A1700 engines, both known for their robust construction and efficiency, utilize the 4900463 hex nut in several key areas. These engines, often found in industrial and commercial applications, benefit from the precision engineering of this part. The hex nut is typically used in securing components that require a high level of torque and stability, ensuring that the engine operates smoothly under various conditions.

A2000 and A2300 Engines

Moving to the A2000 and A2300 engines, the 4900463 hex nut continues to play a vital role. These engines, which are part of Cummins’ higher power output series, demand components that can withstand significant stress and pressure. The hex nut is integral in fastening parts that are critical to the engine’s performance, such as those in the cylinder head and other high-stress areas. Its design ensures that it can maintain its integrity even under extreme operating conditions.

Grouping for Efficiency

The use of the 4900463 hex nut across the A1400, A1700, A2000, and A2300 engines highlights Cummins’ commitment to standardization and efficiency. By using a single part number for multiple engine models, Cummins simplifies maintenance and inventory management. This approach not only reduces costs but also ensures that technicians and mechanics can easily find and use the correct parts, regardless of the specific engine model they are working on.

This compatibility underscores the versatility and reliability of the Cummins 4900463 hex nut, making it an essential component in the maintenance and operation of these engines.

Role of Part 4900463 Standard Hex Nut in Various Engine Systems

Drive System

In the drive system, the 4900463 Standard Hex Nut is instrumental in securing components that transmit power from the engine to the wheels. It is commonly used to fasten bolts that hold the driveshaft in place, ensuring a stable and reliable connection. Additionally, it plays a role in attaching various brackets and mounts that support the drive system, contributing to the overall integrity and performance of the vehicle.

Tachometer

Within the tachometer system, the 4900463 Standard Hex Nut is utilized to secure the sensor that measures the rotational speed of the engine. This nut ensures that the sensor remains firmly in place, providing accurate readings of engine RPM. It also helps in mounting the tachometer housing to the engine or dashboard, guaranteeing that the instrument is correctly positioned and functions without interference.

Plumbing System

In the engine’s plumbing system, the 4900463 Standard Hex Nut is essential for securing fittings and connections in the coolant and oil circuits. It is used to fasten hose clamps, ensuring that hoses remain securely attached to their respective ports. This prevents leaks and maintains the efficiency of the cooling and lubrication systems, which are vital for engine health.

Fuel System

The 4900463 Standard Hex Nut plays a significant role in the fuel system by securing components such as fuel lines, injectors, and filters. It ensures that fuel lines are tightly connected to the fuel rail and tank, preventing any fuel leaks that could pose a safety hazard. Additionally, it is used to mount fuel filters and regulate components, ensuring they are correctly positioned and operate efficiently.

Conclusion

The 4900463 Standard Hex Nut by Cummins is a critical component in the maintenance and operation of heavy-duty trucks and engines. Its robust design, durability, and versatility make it suitable for a wide range of applications, ensuring secure and reliable fastening solutions. Proper installation, regular maintenance, and adherence to safety considerations are essential to maximize the performance and lifespan of this part.