3090008
Regular Hexagon Jam Nut
Cummins®

The 3090008 Regular Hexagon Jam Nut, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of components that contribute to the reliability and efficiency of heavy-duty vehicles. Fasteners, such as the 3090008 Regular Hexagon Jam Nut, play a significant role in ensuring the structural integrity and operational stability of commercial trucks ¹.

Basic Concepts of Regular Hexagon Jam Nuts

A Regular Hexagon Jam Nut is a type of lock nut that features a hexagonal shape, allowing it to be tightened or loosened using a wrench. Its design includes a slightly deformed thread that, when tightened against another nut or a threaded component, creates friction, thereby preventing loosening due to vibration or other dynamic forces. Jam nuts are commonly used in mechanical assemblies where securing components against movement is necessary ².

Purpose of the 3090008 Regular Hexagon Jam Nut in Truck Operations

The 3090008 Regular Hexagon Jam Nut serves a vital function in the operation and maintenance of commercial trucks. It is employed in various truck components where secure fastening is required to withstand the rigors of heavy-duty use. This includes applications in the engine, transmission, and chassis assemblies, where it helps maintain the integrity of connections under dynamic conditions ³.

Key Features

The 3090008 Regular Hexagon Jam Nut is characterized by its hexagonal shape, which facilitates easy engagement with wrenches for installation and removal. It is made from materials that offer durability and resistance to corrosion, ensuring long-term reliability in demanding environments. Unique design elements may include a deformed thread pattern that enhances its locking capability, providing additional security against loosening.

Benefits

Utilizing the 3090008 Regular Hexagon Jam Nut offers several advantages. It provides improved security of fastening, making it less likely for connections to loosen over time. Its design offers resistance to vibration, which is particularly beneficial in the dynamic environment of a commercial truck. Additionally, its ease of installation and removal simplifies maintenance procedures, contributing to efficient truck operations.

Installation and Usage

Proper installation of the 3090008 Regular Hexagon Jam Nut involves using the appropriate tools, such as a wrench, to ensure it is tightened to the manufacturer’s specified torque. Techniques such as using a torque wrench can help achieve the correct tension, ensuring a secure fit without overtightening, which could damage the threads or the component being fastened.

Troubleshooting and Maintenance

Common issues with the 3090008 Regular Hexagon Jam Nut, such as loosening or corrosion, can often be addressed through regular inspection and maintenance. Ensuring that nuts are properly torqued during installation and periodically checking for signs of wear or corrosion can help maintain their effectiveness. In cases where corrosion is present, cleaning the threads and applying an appropriate lubricant or anti-seize compound may be necessary.

Cummins: Manufacturer 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 quality and innovation is evident in its wide range of products, including the 3090008 Regular Hexagon Jam Nut, which is designed to meet the demanding requirements of heavy-duty truck applications.

Cummins Regular Hexagon Jam Nut 3090008 Compatibility

The Cummins Regular Hexagon Jam Nut part number 3090008 is designed to fit seamlessly within a variety of Cummins engines, ensuring secure fastening and reliable performance. This part is integral to maintaining the integrity of engine components, preventing loosening due to vibrations and operational stresses.

QSK19 Series

• QSK19 CM500
• QSK19G

The QSK19 series engines benefit from the precision and durability of the 3090008 jam nut. This part is particularly useful in applications where the engine is subjected to high torque and rotational forces, ensuring that bolts and screws remain tightly secured.

QSK45 Series

• QSK45 CM500

The QSK45 CM500 engine incorporates the 3090008 jam nut to enhance its operational reliability. This engine, known for its robust performance, relies on the jam nut to maintain the integrity of its critical components under demanding conditions.

QSK60 Series

• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60 G CM2358 K110
• QSK60G

The QSK60 series engines, including the QSK60 CM500, QSK60 CM850 MCRS, QSK60 G CM2358 K110, and QSK60G, all utilize the 3090008 jam nut. These engines, which are designed for heavy-duty applications, require a reliable fastening solution to ensure that all components remain securely in place, even under extreme operational stresses. The jam nut’s design provides an additional layer of security, preventing loosening and ensuring the longevity of the engine’s components.

Role of Part 3090008 Regular Hexagon Jam Nut in Engine Systems

The Part 3090008 Regular Hexagon Jam Nut is integral to the secure assembly and operation of various engine components. It ensures the stability and integrity of connections within the engine system, facilitating efficient performance and longevity of the engine parts.

Charge Air Cooler Kit

In the Charge Air Cooler (CAC) Kit, the Regular Hexagon Jam Nut is employed to fasten the connections between the CAC and the intake manifold. This secure attachment is vital for maintaining the airtight seal necessary for optimal air flow and cooling efficiency. The nut ensures that the CAC remains firmly in place, preventing any potential leaks that could compromise engine performance.

Lever and Rocker Mechanisms

For the Lever and Rocker mechanisms, the Regular Hexagon Jam Nut plays a significant role in securing the pivot points and attachment points. In the Rocker Lever Assembly and Rocker Lever Kit, the nut is used to fasten the rocker arms to the shaft, ensuring smooth and consistent motion. This is particularly important in the Rocker Lever Top Level Assembly Shaft, where precise movement is essential for valve operation.

Plain Hose Connections

In systems involving Plain Hoses, the Regular Hexagon Jam Nut is utilized to create secure and leak-proof connections. Whether it’s for coolant, fuel, or air lines, the nut ensures that the hoses remain firmly attached to their respective fittings, preventing any disruptions in fluid or air flow that could affect engine operation.

Rocker Top Level Assembly Lever

In the Rocker Top Level Assembly Lever, the Regular Hexagon Jam Nut is critical for maintaining the structural integrity of the assembly. It secures the lever to the rocker arm, ensuring that the lever can transmit motion effectively without any risk of detachment or misalignment. This is essential for the consistent and reliable operation of the valve train.

Conclusion

Overall, the Part 3090008 Regular Hexagon Jam Nut is a fundamental component in ensuring the secure and efficient operation of various engine systems, contributing to the overall performance and reliability of the engine.