4980154
Regular Hexagon Jam Nut
Cummins®

The 4980154 Regular Hexagon Jam Nut, manufactured by Cummins, is a specialized fastener designed for use in commercial truck maintenance and operation. Cummins, a well-established name in the automotive industry, is known for producing high-quality components that enhance the reliability and performance of commercial vehicles. This Cummins part is integral to ensuring the secure fastening of various components within these trucks, contributing to their overall structural integrity and operational efficiency ¹.

Basic Concepts of Regular Hexagon Jam Nuts

A Regular Hexagon Jam Nut is a type of fastener characterized by its hexagonal shape, which provides a secure grip for tools during installation and removal. This design allows for efficient torque application, reducing the risk of slippage and ensuring a tight fit. The hexagonal shape is advantageous as it offers multiple contact points, enhancing the nut’s ability to resist loosening under vibration and dynamic loads, which are common in truck operations ².

Purpose of the 4980154 Regular Hexagon Jam Nut in Truck Operation

In the context of commercial truck operation, the 4980154 Regular Hexagon Jam Nut plays a role in securing critical components. It is used to lock other fasteners in place, preventing them from loosening over time due to vibrations and other dynamic forces encountered during truck operation. By ensuring that components remain firmly attached, the jam nut contributes to the structural integrity and safety of the vehicle ¹.

Key Features

The 4980154 Regular Hexagon Jam Nut boasts several key features that enhance its performance. It is constructed from high-strength materials, ensuring durability under heavy-duty conditions. The nut features a specific thread type designed for compatibility with corresponding bolts, facilitating a secure and reliable connection. Additionally, unique design elements may include serrations or a split-lock feature, which further improve its grip and resistance to loosening ².

Benefits of Using the 4980154 Regular Hexagon Jam Nut

Utilizing the 4980154 Regular Hexagon Jam Nut offers several advantages. Its design provides improved security, ensuring that fasteners remain tightly in place even under significant stress. The ease of installation is another benefit, as the hexagonal shape allows for straightforward application using standard tools. Furthermore, its durability under heavy-duty conditions makes it a reliable choice for commercial truck maintenance ¹.

Installation Guidelines

Proper installation of the 4980154 Regular Hexagon Jam Nut is crucial for optimal performance. Begin by ensuring the corresponding bolt is properly threaded into the component. Place the jam nut onto the bolt and use a wrench to tighten it securely, following the specified torque settings provided by the manufacturer. It is important to avoid over-tightening, which can damage the threads or the component itself. Regular checks should be performed to ensure the nut remains secure during operation ².

Troubleshooting Common Issues

Common issues with Regular Hexagon Jam Nuts include loosening and corrosion. If a nut appears loose, it should be re-tightened to the manufacturer’s specifications. In cases of corrosion, the affected area should be cleaned thoroughly before re-installation. Applying a corrosion-resistant coating can help prevent future issues. If damage is detected, the nut should be replaced to maintain the integrity of the fastening system ¹.

Maintenance Tips

Regular maintenance of the 4980154 Regular Hexagon Jam Nut is important for prolonged performance. Inspection intervals should be established based on the truck’s usage and operating conditions. Cleaning the nut and its surrounding area can prevent the buildup of debris and corrosion. When signs of wear or damage are observed, consideration should be given to replacing the nut to ensure continued secure fastening ².

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 spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s extensive product range and commitment to excellence make it a trusted source for high-quality truck components, including the 4980154 Regular Hexagon Jam Nut ¹.

Compatibility with Cummins Engines

The Regular Hexagon Jam Nut, part number 4980154, manufactured by Cummins, is designed to fit a variety of Cummins engines. This jam nut is essential for securing components and ensuring the stability of engine parts. Below is a detailed breakdown of the engines with which this jam nut is compatible:

B4.5 and ISB4.5 Series

• B4.5 CM2350 B104
• ISB4.5 CM2350 B104

B6.7 Series

• B6.7 CM2350 B135B
• ISB6.7 G CM2180 B118

F3.8 Series

• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• ISF3.8 CM2220 AN
• ISF3.8 CM2220 F103

F4.5 Series

• F4.5 CM2620 F139B
• F4.5 CM2620 F141C
• ISF4.5 CM2220 F123

D4.0 Series

• D4.0 CM2620 D103B

QSF2.8 Series

• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F108

QSF3.8 Series

• QSF3.8 CM2350 F107
• QSF3.8 CM2880 F112

This jam nut is integral to the assembly and maintenance of these engines, providing a reliable method for securing various components. Its compatibility across multiple engine series highlights its versatility and importance in the Cummins engine ecosystem ¹.

Role of Part 4980154 Regular Hexagon Jam Nut in Engine Systems

The Regular Hexagon Jam Nut, identified by part number 4980154, is integral to the secure assembly and maintenance of various engine components. Specifically, it is employed in the fastening and sealing processes of the oil pan and oil systems.

In the context of the oil pan, the Regular Hexagon Jam Nut is utilized to ensure a tight and reliable seal. This is essential for preventing oil leaks, which could lead to significant engine damage due to insufficient lubrication. The nut is typically paired with bolts to secure the oil pan to the engine block, providing a robust barrier that contains the engine oil within the pan.

Similarly, when dealing with the pan component, whether it is an accessory pan or part of a sump system, the Regular Hexagon Jam Nut plays a significant role. It helps in maintaining the integrity of the seal around the pan’s perimeter, ensuring that any fluids contained within are securely held in place. This is particularly important in high-vibration environments typical of engine operation.

In the oil system, the Regular Hexagon Jam Nut is often used in conjunction with fittings and connectors. It secures oil lines, filters, and other components, ensuring that the oil flow is uninterrupted and that there are no leaks in the system. This is vital for maintaining proper oil pressure and ensuring that all moving parts within the engine receive adequate lubrication.

Overall, the Regular Hexagon Jam Nut is a fundamental component in the assembly and maintenance of engine systems, providing the necessary security and sealing required for optimal engine performance and longevity ².

Conclusion

The 4980154 Regular Hexagon Jam Nut is a critical component in the maintenance and operation of commercial trucks, particularly those equipped with Cummins engines. Its design and features ensure secure fastening and sealing of various engine components, contributing to the overall reliability and performance of the vehicle. Proper installation, regular maintenance, and timely replacement are essential to maximize the benefits of this part.