4900259
Hexagon Flange Nut
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.99 $7.13

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Hexagonal Flange Nut, specifically Part #4900259 by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this nut, which is integral to the fastening systems used in these vehicles. This part ensures secure connections and plays a significant role in the overall functionality and safety of commercial trucks.

Basic Concepts of Hexagonal Flange Nuts

A Hexagonal Flange Nut is a type of fastener characterized by its hexagonal shape and a flange at one end. This design allows for easy tightening and loosening using standard tools, such as wrenches or sockets. The flange provides additional surface area, which helps distribute the load more evenly and prevents the nut from loosening under vibration or other dynamic conditions. In fastening applications, these nuts are commonly used to secure components that require a high level of stability and resistance to movement 1.

Role of the 4900259 Hexagonal Flange Nut in Truck Operation

This Cummins part is specifically designed for use in commercial trucks. It plays a role in securing various components, ensuring that critical parts remain firmly in place under the demanding conditions typical of truck operation. This nut is often used in applications where vibration and dynamic loads are significant, such as in the fastening of engine components, chassis parts, and other critical assemblies 2.

Key Features of the 4900259 Hexagonal Flange Nut

The 4900259 Hexagonal Flange Nut is distinguished by several key features. Its hexagonal shape allows for efficient torque application, while the flange provides additional stability. The nut is crafted from high-quality materials, ensuring durability and resistance to corrosion. Additionally, its design includes precise threading, which ensures a secure fit and reliable performance over time. These attributes make it well-suited for the rigorous environments encountered in commercial trucking 3.

Benefits of Using the 4900259 Hexagonal Flange Nut

Utilizing this part offers several advantages. Its robust construction contributes to the longevity and reliability of the fastening application. The flange design enhances resistance to loosening, which is particularly beneficial in applications subject to vibration. Furthermore, the ease of installation and removal using standard tools adds to its practicality in maintenance and repair scenarios.

Installation and Usage Guidelines

To ensure optimal performance, the 4900259 Hexagonal Flange Nut should be installed according to specific guidelines. Begin by selecting the appropriate tool, such as a wrench or socket, that matches the hexagonal shape of the nut. Apply torque evenly to avoid cross-threading and ensure the nut is securely fastened. It is important to use the correct torque specifications provided by the manufacturer to prevent over-tightening or under-tightening, both of which can compromise the integrity of the fastening.

Troubleshooting Common Issues

Common issues with Hexagonal Flange Nuts may include loosening over time or difficulty in removal. If a nut appears loose, it should be re-tightened to the manufacturer’s specified torque. In cases where removal is challenging, ensure that the correct tool is being used and that there is no corrosion or seizing. Applying a penetrating oil can sometimes aid in loosening a seized nut.

Maintenance Tips

To prolong the life and efficiency of the 4900259 Hexagonal Flange Nut, regular maintenance is recommended. Inspect the nut periodically for signs of wear, corrosion, or damage. Ensure that all fastenings are torqued to the correct specifications during routine maintenance checks. Additionally, keeping the nut clean and free from debris will help maintain its performance and longevity.

Cummins: A Brief Overview

Cummins is a well-established name in the commercial truck industry, known for its comprehensive range of products and robust reputation. Founded with a commitment to innovation and quality, Cummins has consistently delivered reliable and high-performance components. Their product lineup includes engines, filtration systems, and a variety of aftermarket parts, all designed to meet the demanding requirements of commercial trucking.

Cummins Hexagonal Flange Nut 4900259 Compatibility with Engine Models

The Cummins Hexagonal Flange Nut part number 4900259 is designed to fit seamlessly with a range of Cummins engine models. This part is crucial for ensuring the secure fastening of components, particularly in high-stress environments where reliability is paramount.

A1400 and A1700 Engines

The A1400 and A1700 engines, both known for their robust performance and efficiency, are compatible with the 4900259 flange nut. This compatibility ensures that the nut can withstand the operational stresses and provide a secure connection, which is vital for maintaining the integrity of the engine’s components.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines benefit from the use of the 4900259 flange nut. These engines, which are designed for heavy-duty applications, require a reliable fastening solution to handle the demanding conditions they often encounter. The flange nut’s design ensures that it can maintain a tight and secure fit, even under significant mechanical stress.

Grouping for Efficiency

When considering the use of the 4900259 flange nut across these engines, it is important to note that the A1400 and A1700 engines share many design similarities, making the flange nut a versatile component for both models. On the other hand, the A2000 and A2300 engines, while more powerful, also benefit from the same high-quality fastening solution, ensuring consistency and reliability across the engine range.

This compatibility highlights the importance of using the correct components for each engine model, ensuring optimal performance and longevity.

Role of Part 4900259 Hexagonal Flange Nut in Engine Systems

The part 4900259 Hexagonal Flange Nut is integral to the secure assembly and reliable operation of various engine components. It is commonly used in the fastening of the Exhaust Manifold to the engine block, ensuring a tight seal that prevents exhaust leaks and maintains efficient engine performance.

In the Exhaust Outlet Connection, this nut plays a key role in attaching the exhaust manifold to the exhaust pipe, contributing to the overall integrity of the exhaust system. It is also utilized in securing the Exhaust Outlet to the manifold, ensuring that the exhaust gases are directed properly without any escape.

The Front Gear Cover assembly benefits from the use of this nut, as it helps in fastening the cover securely to the engine, protecting the internal components from contaminants and ensuring the gear train operates smoothly.

In the Front Gear Train Accessory Drive, the Hexagonal Flange Nut is employed to attach various accessories to the front gear, maintaining alignment and operational efficiency.

For the Fuel Pump Mounting, this nut ensures that the fuel pump is securely attached to the engine, which is essential for consistent fuel delivery and engine performance.

Additionally, in turbocharged engines, the nut is used in the Turbocharger assembly to secure various components, ensuring that the turbocharger operates within its designed parameters, contributing to enhanced engine performance and efficiency.

Overall, the part 4900259 Hexagonal Flange Nut is a fundamental component in the secure and efficient operation of these engine systems.

Conclusion

The 4900259 Hexagonal Flange Nut by Cummins is a critical component in the fastening systems of commercial trucks. Its design, featuring a hexagonal shape and a flange, ensures easy installation and removal, while providing stability and resistance to loosening under dynamic conditions. The nut’s robust construction and precise threading make it suitable for the demanding environments of commercial trucking. Proper installation, maintenance, and the use of correct torque specifications are essential for ensuring the longevity and reliability of this part. Cummins’ commitment to quality and innovation is evident in the design and functionality of this nut, making it a valuable component in the secure and efficient operation of commercial truck engines.


  1. Osgood, L., Cameron, G., & Christensen, E. (2024). Engineering Mechanics: Statics. Creative Commons.

  2. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

  3. Garrett, T.K., Newton, K., & Steeds, W. (2001). The Motor Vehicle. Reed Educational and Professional Publishing Ltd.

SPECIFICATIONS

Notes
M8 x 1.25
Package Dimensions
2.0 x 2.0 x 2.0 in
Weight
0.006 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.