146517
Regular Hexagon Nut
Cummins®

The Regular Hexagon Nut Part #146517, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this nut to meet the rigorous demands of truck operations. This part is integral to ensuring the secure fastening of various components within commercial trucks, contributing to the overall reliability and performance of the vehicle ¹.

Basic Concepts of Regular Hexagon Nuts

A regular hexagon nut is a type of fastener characterized by its six-sided shape, which allows for efficient tightening and loosening using hexagonal socket tools. The design of a hexagon nut provides a larger contact area compared to other shapes, which enhances its ability to distribute clamping force evenly. This even distribution is crucial for maintaining secure fastenings under various operational conditions ². In fastening applications, the hexagon nut works in conjunction with a bolt or screw to hold components together firmly.

Purpose of the 146517 Regular Hexagon Nut in Truck Operations

The 146517 Regular Hexagon Nut plays a role in the operation and maintenance of commercial trucks by securing various components. It is commonly used in applications such as engine mounts, transmission assemblies, and chassis components. By providing a reliable fastening solution, this nut helps ensure that critical parts remain securely in place, even under the dynamic and demanding conditions encountered in truck operations ³.

Key Features of the 146517 Regular Hexagon Nut

The 146517 Regular Hexagon Nut is crafted from high-quality materials, typically a grade of steel that offers excellent strength and durability. It features a specific thread size designed to match the bolts it is intended to pair with, ensuring a precise fit and optimal performance. Unique design elements, such as a chamfered edge, facilitate easier installation and reduce the risk of cross-threading. Additionally, the nut may incorporate features like a nylon insert or locking mechanism to enhance resistance to vibration loosening.

Benefits of Using the 146517 Regular Hexagon Nut

Utilizing the 146517 Regular Hexagon Nut offers several advantages in commercial truck applications. Its design contributes to improved fastening security, ensuring that components remain firmly attached under various operational stresses. The nut’s resistance to vibration loosening helps maintain the integrity of fastenings over time, reducing the need for frequent re-tightening. Furthermore, its compatibility with standard hexagonal socket tools simplifies installation and maintenance procedures.

Installation Guidelines

Proper installation of the 146517 Regular Hexagon Nut is vital for ensuring optimal performance and longevity. Begin by selecting the appropriate bolt or screw that matches the nut’s thread size. Use a hexagonal socket tool to tighten the nut, applying even pressure to avoid cross-threading. It is important to achieve the recommended torque specification for the application to ensure a secure fastening without over-tightening, which could damage the nut or the component being fastened.

Troubleshooting Common Issues

Typical problems that may arise with the 146517 Regular Hexagon Nut include stripping or cross-threading. Stripping can occur if the nut is over-tightened or if it is not properly aligned with the bolt thread. To address this, ensure that the correct torque specifications are followed during installation. Cross-threading can be prevented by aligning the nut correctly with the bolt thread before tightening. If cross-threading occurs, it may be necessary to replace the nut and bolt to avoid further complications.

Maintenance Tips

To prolong the lifespan of the 146517 Regular Hexagon Nut, routine maintenance practices are recommended. Periodic inspections should be conducted to check for signs of wear, corrosion, or loosening. Torque checks can help ensure that fastenings remain secure over time. In environments where corrosion is a concern, applying a corrosion-resistant coating or using nuts made from stainless steel can enhance durability.

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicle applications.

Cummins Regular Hexagon Nut 146517 Compatibility with Engine Models

The Cummins Regular Hexagon Nut part number 146517 is a versatile component that fits into a variety of Cummins engine models. This nut is essential for securing various parts within the engine assembly, ensuring stability and reliability during operation.

K-Series Engines

The K-Series engines, including the K19 and K38, benefit from the use of the 146517 nut. These engines are known for their robust design and are commonly used in heavy-duty applications. The nut’s precision and strength make it an ideal fit for these engines, providing the necessary hold for critical components.

N-Series Engines

The N14 MECHANICAL engine also utilizes the 146517 nut. This engine is recognized for its durability and efficiency, often found in various industrial and transportation sectors. The nut’s design ensures a secure fit, contributing to the engine’s overall performance and longevity.

QSK Engines

The QSK series engines, such as the QSK19 CM2350 K144G, QSK19 CM500, QSK19 CM850 MCRS, QSK19G, and QSK50 CM2150 MCRS, are high-performance engines used in demanding applications. The 146517 nut is compatible with these engines, providing the necessary fastening for various components. Its precision engineering ensures that it meets the stringent requirements of these high-output engines.

QST Engines

The QST30 CM2350 T101 and QST30 CM552 engines also incorporate the 146517 nut. These engines are designed for heavy-duty applications and benefit from the nut’s ability to maintain a secure and reliable connection between parts.

NH/NT Engines

The NH/NT 855 engine is another model that uses the 146517 nut. This engine is known for its versatility and is often used in various industrial settings. The nut’s compatibility with this engine ensures that it can handle the demands of its operational environment.

V-Series Engines

The V28 engine, part of the V-Series, also utilizes the 146517 nut. This engine is designed for heavy-duty applications and requires components that can withstand high stress and pressure. The nut’s design ensures that it can provide the necessary support and stability.

In summary, the Cummins Regular Hexagon Nut part number 146517 is a critical component for a wide range of Cummins engine models, ensuring secure and reliable connections within the engine assembly.

Understanding the Role of Part 146517 Regular Hexagon Nut in Engine Systems

The Part 146517 Regular Hexagon Nut is an essential component in various engine systems, ensuring the secure attachment and reliable operation of multiple parts. Its application spans across different engine components, contributing to the overall functionality and performance of the engine.

Belt Tensioner

In the belt tensioner system, the Part 146517 Regular Hexagon Nut is used to fasten the tensioner assembly to the engine block. This secure attachment ensures that the belt remains properly tensioned, which is vital for the efficient transfer of power to accessories like the alternator and water pump.

Cable Mounting

For cable mounting applications, this nut plays a role in securing cables to the engine frame or other structural components. Proper cable mounting is essential to prevent vibrations and ensure that electrical connections remain intact, contributing to the reliable operation of engine electronics.

Circuit Breaker

In circuit breaker installations, the Part 146517 Regular Hexagon Nut is employed to mount the breaker to the engine’s electrical panel. This ensures that the circuit breaker is firmly in place, capable of protecting the electrical system from overloads and short circuits.

Drive Systems

Within drive systems, such as those involving the fan drive, this nut is utilized to secure various components. For instance, in the fan drive idle assembly and fan drive idler assembly, it ensures that the idle and idler pulleys are correctly positioned and maintained, allowing for smooth operation of the fan and efficient cooling of the engine.

Engine Instrumentation

For engine instrumentation, the Part 146517 Regular Hexagon Nut is often used to mount sensors and gauges to the engine block or other parts. This secure attachment is important for accurate readings and reliable monitoring of engine performance parameters.

Generator Lead Mounting

In the context of generator lead mounting, this nut is critical for securing the leads from the main generator to the engine’s electrical system. Proper mounting ensures a stable and secure connection, which is essential for the generator’s efficient operation and the reliable supply of electrical power.

Hydraulic Injector Sleeve Remover and Injector Sleeve R and I Kit

For maintenance kits like the hydraulic injector sleeve remover and injector sleeve R and I kit, the Part 146517 Regular Hexagon Nut is used to secure components during the removal and installation process. This ensures that tools and parts are held firmly in place, facilitating a smoother and more efficient maintenance procedure.

Lead Connection Hardware

In lead connection hardware applications, this nut is employed to secure electrical leads and connections. This is particularly important in high-vibration environments, where secure connections are necessary to prevent electrical failures and ensure consistent performance.

Main Generator

Finally, in the main generator system, the Part 146517 Regular Hexagon Nut is used to secure the generator to the engine or its mounting bracket. This ensures that the generator remains stable and properly aligned, contributing to its efficient operation and the reliable generation of electrical power.

Conclusion

The 146517 Regular Hexagon Nut by Cummins is a vital component in the maintenance and operation of commercial trucks and various engine systems. Its design and features ensure secure fastening, resistance to vibration loosening, and compatibility with standard tools, making it an essential part for ensuring the reliability and performance of commercial vehicles and engines.