3009503
Regular Hexagon Nut
Cummins®

The 3009503 Regular Hexagon Nut, manufactured by Cummins, is a critical component for the maintenance and operation of commercial trucks. Cummins, a leader in the commercial truck industry, produces this nut to meet the rigorous demands of heavy-duty applications. This part is designed to offer reliable fastening solutions across various truck components, ensuring the vehicle’s integrity and performance.

Basic Concepts of Regular Hexagon Nuts

A regular hexagon nut is a fastener characterized by its six-sided shape. This design facilitates efficient tightening and loosening with common tools, such as spanners or socket wrenches. The hexagonal shape evenly distributes the applied force across the nut’s faces, minimizing the risk of rounding off the edges during use. This design enhances the nut’s functionality in fastening applications, providing a secure hold that is less prone to loosening under vibration or stress ¹.

Purpose of the 3009503 Regular Hexagon Nut in Truck Operation

The 3009503 Regular Hexagon Nut is essential in the assembly and maintenance of commercial trucks, securing various components. It is used in applications requiring robust fastening, such as engine mounts, chassis components, and other critical areas. Its design ensures that parts remain firmly attached, contributing to the truck’s overall safety and performance.

Key Features

This Cummins part is crafted from high-quality materials to ensure durability and performance. Its thread size is tailored to specific applications, providing a secure fit. Additionally, the nut may feature special coatings or treatments that enhance its resistance to corrosion and wear, extending its service life in harsh operating conditions.

Benefits

Using the 3009503 Regular Hexagon Nut offers several advantages. Its design allows for improved torque application, ensuring that components are securely fastened. The nut’s resistance to loosening under vibration makes it ideal for use in dynamic environments. Furthermore, its longevity in harsh operating conditions reduces the need for frequent replacements, contributing to lower maintenance costs.

Installation Guidelines

Proper installation of the 3009503 Regular Hexagon Nut is crucial for ensuring secure fastening. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tension without overtightening. Using the appropriate tools and following best practices, such as lubricating the threads for certain applications, can enhance the installation process and the nut’s performance.

Troubleshooting and Maintenance

Common issues with regular hexagon nuts include loosening due to vibration and corrosion. Regular inspection and maintenance can help identify and address these issues early. Ensuring that nuts are properly torqued and applying protective coatings can prolong their life and ensure ongoing performance. In cases of damage or excessive wear, replacement is recommended to maintain the integrity of the fastening.

Compatibility and Usage

The 3009503 Regular Hexagon Nut is designed for use within Cummins engines and other commercial truck systems. It is compatible with a range of components, providing a versatile fastening solution for various applications. Its design and specifications ensure it meets the demands of heavy-duty truck operations.

Safety Considerations

When handling and installing the 3009503 Regular Hexagon Nut, it is important to observe safety considerations. This includes wearing appropriate personal protective equipment (PPE) to protect against injury. Following safe work practices, such as ensuring the work area is clean and free from hazards, contributes to a safe installation process.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to excellence is reflected in its product range, which includes a variety of components designed to enhance the performance and reliability of commercial vehicles.

Cummins Engine Part 3009503: Regular Hexagon Nut

The Regular Hexagon Nut part number 3009503, manufactured by Cummins, is a versatile component that finds application across a range of Cummins engines. This part is designed to securely fasten components together, ensuring stability and reliability in various engine configurations. Below is a detailed look at how this nut fits within different Cummins engine models:

4B3.9, 6B5.9, 6C8.3, B3.3, B4.5, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2670 B164C, C8.3 G, G5.9, ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, K19, K38, K50

In these engines, the 3009503 Regular Hexagon Nut is often used in the assembly of various mechanical components. Its robust design ensures it can withstand the stresses and vibrations typical in engine environments. This nut is particularly useful in securing parts such as brackets, covers, and other structural elements that require a reliable fastening solution.

L10 CELECT, L10 GAS, L10 MECHANICAL, L8.9 CM2670 L134C

For the L10 series engines, including CELECT, GAS, and MECHANICAL variants, as well as the L8.9 CM2670 L134C, the 3009503 nut is integral to maintaining the integrity of the engine’s internal and external components. These engines benefit from the precision and strength provided by this nut, ensuring that all parts are held firmly in place during operation.

M11 CELECT, M11 CELECT PLUS, M11 MECHANICAL, N14 CELECT PLUS

In the M11 and N14 CELECT series engines, the 3009503 Regular Hexagon Nut plays a critical role in the assembly and maintenance of the engine’s components. The nut’s ability to provide a secure fastening is essential in these high-performance engines, where reliability and durability are paramount.

Overall, the 3009503 Regular Hexagon Nut is a key component in the assembly and maintenance of various Cummins engines, ensuring that all parts are securely fastened and the engine operates smoothly and efficiently.

Role of Part 3009503 Regular Hexagon Nut in Engine Systems

The Part 3009503 Regular Hexagon Nut is integral to the assembly and securement of various components within engine systems. Its application ensures the stability and proper functioning of these components, contributing to the overall efficiency and reliability of the engine.

Alternator and Mounting Systems

In alternator setups, the Regular Hexagon Nut is used to secure the alternator to its mounting bracket. This ensures that the alternator remains firmly in place, allowing it to efficiently convert mechanical energy into electrical energy without vibrations that could disrupt its operation.

Air Cleaner and Compressor Assemblies

For air cleaner and compressor assemblies, the nut is employed to fasten components such as the air cleaner housing and compressor brackets. This securement is vital for maintaining the integrity of the air intake system and ensuring the compressor operates under optimal conditions.

Fuel System Components

Within the fuel system, the Regular Hexagon Nut plays a role in clamping and mounting fuel lines and components like the fuel pump and fuel filter. It ensures that fuel lines are securely attached, preventing leaks and maintaining consistent fuel pressure throughout the system.

Engine and Accessory Mounting

The nut is also utilized in the mounting of various engine accessories, such as the front gear housing, crank pulley hardware, and engine instrumentation. By providing a strong and reliable connection, it ensures these components function correctly and contribute to the engine’s performance.

Cooling and Hydraulic Systems

In cooling and hydraulic systems, the Regular Hexagon Nut is instrumental in securing components like the heater, coolant passages, and hydraulic pump mountings. This ensures efficient heat exchange and hydraulic fluid flow, which are essential for engine operation and longevity.

Electronic and Electrical Connections

For electronic and electrical components, such as the electronic control module wiring harness, the nut is used to secure connections and covers. This not only protects the wiring from physical damage but also ensures electrical integrity and safety.

Miscellaneous Applications

Additionally, the nut finds application in securing hand hole covers, oil filler tubes, and oil tube brackets. These applications are crucial for maintaining the engine’s structural integrity and facilitating easy access for maintenance and inspection purposes.

Through its versatile applications, the Part 3009503 Regular Hexagon Nut significantly contributes to the securement and functionality of a wide array of engine components, underscoring its importance in engine system assemblies.

Conclusion

The 3009503 Regular Hexagon Nut is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, resistance to corrosion and wear, and versatile applications make it an essential part for ensuring the securement and functionality of various engine components. Proper installation, regular maintenance, and adherence to safety considerations are crucial for maximizing the performance and longevity of this part.