4931502
Hexagon Flange Nut
Cummins®

The Hexagonal Flange Nut (Part #4931502) manufactured by Cummins is a component designed to play a significant role in the maintenance and operation of commercial trucks. This nut is integral to ensuring the integrity of various truck components by providing secure fastening solutions that withstand the rigors of heavy-duty applications.

Basic Concepts of Hexagonal Flange Nuts

A hexagonal flange nut is a type of fastener characterized by its hexagonal shape and a wide, flat surface known as a flange. This design allows for easier tightening and loosening using a wrench or socket, reducing the risk of slippage and providing a more secure fit. In the automotive industry, flange nuts are commonly used to fasten components that require a high degree of stability and resistance to vibration, such as wheel hubs, engine mounts, and various chassis parts ¹.

Purpose of the 4931502 Hexagonal Flange Nut in Truck Operation

This Cummins part is specifically designed to play a role in the operation and maintenance of commercial trucks. It is typically applied in areas where secure and stable fastening is required, such as in the attachment of critical components to the truck’s frame or chassis. By providing a robust connection, this nut helps maintain the structural integrity and performance of the truck under various operating conditions.

Key Features of the 4931502 Hexagonal Flange Nut

The 4931502 Hexagonal Flange Nut features a hexagonal shape that allows for efficient tightening with standard tools. Its flange design distributes the load more evenly across the surface it contacts, enhancing the stability of the fastened components. Manufactured from high-quality materials, this nut is designed to resist corrosion and wear, ensuring longevity in demanding environments. Cummins employs specific manufacturing processes to enhance the nut’s performance, including precision machining and quality control measures to ensure consistency and reliability.

Benefits of Using the 4931502 Hexagonal Flange Nut

This part offers several advantages in commercial truck applications. Its design enhances fastening security, providing a stable connection that resists loosening due to vibration. The material composition ensures durability, allowing the nut to perform reliably in harsh operating conditions. Additionally, the flange design contributes to a more even distribution of load, reducing the risk of component failure over time.

Installation Considerations

Proper installation of this part is vital to ensure optimal performance and longevity. It is recommended to follow torque specifications provided by Cummins to achieve the correct tightening force without over-tightening, which could damage the nut or the fastened components. Using the appropriate tools, such as a torque wrench, ensures accurate installation. Best practices include cleaning the mating surfaces before installation to prevent corrosion and ensuring that the nut is seated properly to maximize contact with the flange surface.

Troubleshooting Common Issues

Common issues associated with hexagonal flange nuts include loosening, corrosion, and damage. To address loosening, it is important to periodically check the tightness of the nut and re-torque as necessary. Corrosion can be mitigated by using nuts made from corrosion-resistant materials and applying protective coatings where applicable. Damage to the nut may require replacement, and inspecting for signs of wear or deformation can help identify when a nut needs to be replaced.

Maintenance Tips

To prolong the service life of the 4931502 Hexagonal Flange Nut, regular inspection routines should be established. This includes checking for signs of corrosion, wear, or damage. Cleaning the nut and its mating surfaces can prevent the buildup of debris and contaminants that may lead to corrosion. When considering replacement, it is important to use nuts that meet or exceed the original specifications to maintain the integrity of the fastened components.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a history of innovation and a commitment to quality, Cummins provides components that are designed to meet the demanding requirements of commercial and industrial applications. The 4931502 Hexagonal Flange Nut is part of Cummins’ extensive product range, reflecting the company’s dedication to delivering reliable and high-performance automotive components.

Hexagonal Flange Nut 4931502 Compatibility with Cummins Engines

The Cummins Hexagonal Flange Nut part number 4931502 is designed to fit seamlessly with several Cummins engine models. This part is essential for maintaining the structural integrity and operational efficiency of these engines. Here is a detailed look at the compatibility of this flange nut with various Cummins engines:

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of the Cummins B Series engines, which are known for their robust performance and reliability. The 4931502 flange nut is specifically engineered to fit these engines, ensuring a secure connection in critical areas. This part is crucial for the assembly and maintenance of these engines, providing a reliable fastening solution that can withstand the operational stresses.

B5.9 G Engine

The B5.9 G engine is another variant within the Cummins B Series. This engine is designed for heavy-duty applications, and the 4931502 flange nut plays a vital role in its assembly. The flange nut ensures that components are securely fastened, which is essential for maintaining the engine’s performance and longevity.

ISB (Chrysler) Engine

The ISB engine, originally developed for Chrysler, is a high-performance engine known for its efficiency and power. The 4931502 flange nut is compatible with this engine, providing a reliable fastening solution for critical components. This part is essential for ensuring that the engine operates smoothly and efficiently.

ISB CM550 and ISB CM850 Engines

The ISB CM550 and ISB CM850 engines are part of the Cummins ISB series, which is designed for commercial and industrial applications. These engines require precise and reliable fastening solutions to maintain their performance. The 4931502 flange nut is specifically designed to fit these engines, ensuring that all components are securely fastened and that the engine operates at peak efficiency.

Role of Part 4931502 Hexagonal Flange Nut in Engine Systems

This part is instrumental in securing various components within engine systems, ensuring stability and integrity during operation.

Starting Assembly Motor

In the starting assembly motor, the 4931502 hexagonal flange nut is utilized to fasten the motor housing to the engine block. This secure attachment is essential for maintaining alignment and reducing vibrations that could otherwise affect the motor’s performance. The flange design of the nut provides a broader surface area for distribution of clamping force, enhancing the stability of the motor housing.

Starting Motor

For the starting motor, the 4931502 hexagonal flange nut plays a significant role in attaching the motor to the flywheel or flexplate. This connection is vital for transmitting the rotational force from the starter motor to the engine, initiating the cranking process. The hexagonal shape of the nut allows for easy tightening and loosening using standard tools, ensuring that the connection remains secure throughout the engine’s operational life.

In both applications, the 4931502 hexagonal flange nut contributes to the overall reliability and efficiency of the engine system by providing a robust and secure fastening solution.

Conclusion

The 4931502 Hexagonal Flange Nut by Cummins is a critical component in the maintenance and operation of commercial trucks and various Cummins engines. Its design and material composition ensure durability, resistance to corrosion, and reliable performance in demanding environments. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the effectiveness and longevity of this part.