4937726
Hexagon Flange Nut
Cummins®

Introduction

The Hexagon Flange Nut, identified by part number 4937726, is a component manufactured by Cummins, a prominent name in the commercial truck industry. This nut is integral to the fastening systems used in commercial trucks, ensuring secure attachment of various components. Its design and functionality are tailored to meet the demanding requirements of heavy-duty applications.

Basic Concepts of Hexagon Flange Nuts

A Hexagon Flange Nut is a type of fastener characterized by its hexagonal shape and a flange—a flat, circular plate—attached to one end. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute loads more evenly ¹. In the automotive industry, flange nuts are commonly used to secure components that require both strength and stability, such as engine mounts, exhaust systems, and chassis parts.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks by providing a secure attachment point for critical components. Its design ensures that these components remain firmly in place under various driving conditions, contributing to the overall structural integrity of the vehicle. By maintaining secure fastenings, the nut helps prevent component failure and ensures the truck operates safely and efficiently ².

Key Features

The 4937726 Hexagon Flange Nut features a hexagonal shape that allows for easy tightening and loosening using standard tools. The flange design provides an increased surface area, which enhances load distribution and reduces the risk of the nut working loose over time. Additionally, the nut is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring durability in harsh operating environments ³.

Benefits

Using the 4937726 Hexagon Flange Nut offers several advantages. The flange design improves load distribution, reducing stress on the fastened components. Its resistance to vibration makes it suitable for use in dynamic environments, such as those found in commercial trucks. Additionally, the hexagonal shape allows for straightforward installation and removal, facilitating maintenance and repair processes ⁴.

Installation and Usage

Proper installation of the 4937726 Hexagon Flange Nut is vital to ensure secure fastening. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force. Using the appropriate tools and techniques will help prevent over-tightening or under-tightening, both of which can lead to fastening issues. Regular inspection and re-torqueing may be necessary to maintain the integrity of the fastening over time.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Nuts include loosening due to vibration or corrosion. Regular inspection can help identify these problems early. If a nut appears loose, it should be re-tightened to the specified torque. Corrosion can be addressed by cleaning the nut and applying a suitable anti-seize compound. Proper maintenance practices, such as regular checks and timely replacements, can prolong the lifespan of the nut and ensure continued reliable performance.

Compatibility and Applications

The 4937726 Hexagon Flange Nut is designed for use in Cummins engines and various commercial truck components. It is compatible with a range of systems and parts, making it a versatile fastening solution. Its applications extend to engine mounts, exhaust systems, and chassis components, where secure and durable fastening is required.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its comprehensive product range and commitment to quality. Founded in 1919, Cummins has a long history of innovation and excellence in engine and power generation technologies. The company’s reputation is built on its dedication to producing reliable, high-performance components that meet the rigorous demands of commercial applications.

Hexagon Flange Nut 4937726 Compatibility with Cummins Engines

The Cummins Hexagon Flange Nut part number 4937726 is designed to fit several models of Cummins engines. This part is essential for maintaining the structural integrity and operational efficiency of these engines. Here is a detailed overview of its compatibility with various Cummins engine models:

QSC8.3 CM850 (CM2850) and QSC9 CM2250/QSL9 CM2250

The Hexagon Flange Nut 4937726 is compatible with the QSC8.3 CM850 (CM2850) engine. This engine is known for its robust performance and reliability, often used in heavy-duty applications. The nut is integral to the engine’s assembly, ensuring that various components are securely fastened.

Similarly, the QSC9 CM2250 and QSL9 CM2250 engines also utilize the 4937726 Hexagon Flange Nut. These engines are part of the Cummins QSC/QSL series, which are designed for medium-duty applications. The nut’s precision and strength are crucial for the proper functioning of these engines, providing a reliable connection between different parts.

QSL9 CM2250 and QSL9 CM2350 L102

The QSL9 CM2250 engine, another variant in the Cummins QSL series, also requires the 4937726 Hexagon Flange Nut. This engine is engineered for durability and efficiency, often used in various industrial applications. The nut’s design ensures that it can withstand the operational stresses and maintain the engine’s integrity.

Additionally, the QSL9 CM2350 L102 engine is compatible with the 4937726 Hexagon Flange Nut. This engine is part of the Cummins QSL series, known for its adaptability and performance across different environments. The nut’s role in this engine is to provide a secure and stable connection, contributing to the overall reliability and longevity of the engine.

Role of Part 4937726 Hexagon Flange Nut in Engine Systems

The part 4937726 Hexagon Flange Nut is instrumental in securing various components within engine systems, ensuring stability and integrity throughout operation.

Integration with the Arrangement

In the context of engine arrangement, the Hexagon Flange Nut is employed to fasten critical components such as brackets, mounts, and supports. These components are essential for maintaining the precise alignment and positioning of engine parts. The flange design of the nut provides a larger surface area, which enhances the distribution of clamping force. This results in a more secure attachment, reducing the likelihood of vibrations or movement that could lead to misalignment or damage over time.

Application in the Oil Fill System

Within the oil fill system, the Hexagon Flange Nut plays a significant role in securing the oil fill cap and associated fittings. The oil fill cap is a vital component, allowing for the addition of lubricant to the engine. The flange nut ensures that the cap is tightly sealed, preventing oil leaks that could lead to insufficient lubrication and subsequent engine damage. Additionally, the flange nut helps in maintaining the integrity of the oil fill tube and its connections, ensuring a consistent and reliable oil supply to the engine’s moving parts.

By effectively securing these components, the Hexagon Flange Nut contributes to the overall reliability and performance of the engine system.

Conclusion

The 4937726 Hexagon Flange Nut by Cummins is a critical component in the fastening systems of commercial trucks and various Cummins engines. Its design, featuring a hexagonal shape and a flange, ensures efficient torque application and enhanced load distribution. The nut’s resistance to corrosion and vibration, along with its ease of installation and removal, makes it a reliable and durable fastening solution. Proper installation, regular maintenance, and timely replacement are essential to ensure the continued performance and safety of the vehicle.