3165947
Regular Hexagon Jam Nut
Cummins®

The 3165947 Regular Hexagon Jam Nut, manufactured by Cummins, is a specialized fastening component designed for use in commercial truck applications. Cummins, a well-established name in the automotive industry, is renowned for its high-quality components that enhance the performance and reliability of commercial vehicles. This Cummins part is significant in this context as it plays a role in securing various components within the truck’s structure, contributing to overall operational efficiency and safety.

Basic Concepts of Regular Hexagon Jam Nuts

A Regular Hexagon Jam Nut is a type of lock nut characterized by its hexagonal shape, which allows for easy tightening and loosening using standard tools. The design of the jam nut includes a serrated underside that, when tightened against a standard nut, creates friction and prevents loosening due to vibration or other dynamic forces. This feature makes it particularly suitable for applications where secure fastening is paramount ¹.

Purpose and Role in Truck Operation

In the context of commercial trucks, the 3165947 Regular Hexagon Jam Nut serves the purpose of securing critical components, ensuring that they remain firmly in place under various operating conditions. Its role is to provide a reliable fastening solution that maintains structural integrity, preventing components from becoming loose, which could lead to operational issues or safety hazards ².

Key Features

The 3165947 Regular Hexagon Jam Nut features a hexagonal shape that facilitates straightforward installation and removal. It is composed of high-strength materials, ensuring durability and resistance to wear. The nut’s unique design elements, such as the serrated underside, enhance its performance by providing additional security against loosening. These features collectively contribute to the nut’s effectiveness in demanding commercial truck applications ³.

Benefits

Utilizing the 3165947 Regular Hexagon Jam Nut offers several benefits. It provides improved fastening security, which is crucial in environments where vibrations are common. The nut’s design also contributes to its resistance against loosening, ensuring that components remain securely fastened over time. Additionally, its durability in harsh operating conditions makes it a reliable choice for commercial truck applications ⁴.

Installation Guidelines

Proper installation of the 3165947 Regular Hexagon Jam Nut involves several steps to ensure optimal performance. Begin by selecting the appropriate size of the standard nut to pair with the jam nut. Use a wrench to tighten the standard nut onto the bolt or stud, followed by the jam nut. Ensure that the jam nut is tightened sufficiently to create friction against the standard nut, but avoid over-tightening to prevent damage. Torque specifications should be followed to achieve the correct tension ⁵.

Troubleshooting and Maintenance

Common issues with Regular Hexagon Jam Nuts may include loosening over time or damage due to excessive force during installation. To address these issues, regularly inspect the nuts for signs of wear or loosening and retighten as necessary. Maintenance tips include ensuring that the correct torque is applied during installation and avoiding the use of damaged or worn nuts, which can compromise fastening security ⁶.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. The company’s reputation is built on its commitment to innovation, quality, and reliability. Cummins’ extensive range of products, including the 3165947 Regular Hexagon Jam Nut, reflects its dedication to enhancing the performance and safety of commercial trucks through superior component design and manufacturing ⁷.

Compatibility with Cummins Engines

The Regular Hexagon Jam Nut part number 3165947, manufactured by Cummins, is designed to fit a variety of Cummins engines. This jam nut is essential for securing components and ensuring that bolts remain tight under operational conditions. Below is a detailed description of the engines with which this jam nut is compatible.

ISG11 CM2880 G108, ISG12 CM2880 G107, QSG12 CM2880 G112

These engines, part of the Cummins ISG and QSG series, are equipped with the CM2880 engine variant. The Regular Hexagon Jam Nut 3165947 is suitable for these engines due to its robust design and ability to withstand the operational stresses encountered in these models. This jam nut ensures that critical components remain securely fastened, contributing to the overall reliability and performance of the engine.

ISG12 G CMOH6.0 G111, X11 CM2670 X126B, X12 CM2350 X119B, X12 CM2670 X121B, X13 CM2670 X122B

The Regular Hexagon Jam Nut 3165947 is also compatible with the ISG12 G CMOH6.0 G111 engine. This engine, like the others in the X11, X12, and X13 series, benefits from the secure fastening provided by this jam nut. The X11, X12, and X13 series engines, including the CM2670 and CM2350 variants, are designed for heavy-duty applications, and the jam nut’s ability to prevent loosening is crucial for maintaining engine integrity.

N14 MECHANICAL, NH/NT 855

The Regular Hexagon Jam Nut 3165947 is also suitable for the N14 MECHANICAL and NH/NT 855 engines. These engines, known for their durability and performance, require reliable fastening solutions to ensure that all components remain securely in place. The jam nut’s design provides the necessary grip and stability, making it an ideal choice for these models.

QSG12/X12 CM2350 G110

Lastly, the QSG12/X12 CM2350 G110 engine is also compatible with the Regular Hexagon Jam Nut 3165947. This engine model, which combines the QSG and X12 series, benefits from the jam nut’s ability to maintain secure fastenings, ensuring that the engine operates smoothly and reliably.

By ensuring that the Regular Hexagon Jam Nut 3165947 is used in these engines, maintenance and operational efficiency can be significantly enhanced, contributing to the longevity and performance of the engines.

Role of Part 3165947 Regular Hexagon Jam Nut in Engine Systems

The Regular Hexagon Jam Nut, identified as part 3165947, is integral in securing various components within engine systems, ensuring stability and proper function.

In the air cleaner assembly, this jam nut is utilized to fasten the air cleaner housing to the engine, maintaining a secure seal that prevents unfiltered air from entering the engine.

Within the cylinder head and cylinder top-level assembly head, the jam nut plays a significant role in securing the rocker arms and their associated components. It ensures that the rocker arms remain in precise alignment with the valve stems, which is essential for optimal valve operation and engine performance.

For the fan and fan hub assembly, the jam nut is employed to secure the fan to the fan hub, ensuring that the fan operates efficiently to cool the engine. This is particularly important under high-load conditions where engine temperatures can rise significantly.

In the engine installation kit, the jam nut is often used to secure various brackets and mounting points, providing a stable foundation for the engine within the vehicle’s chassis.

The drive lever and rocker lever assemblies also benefit from the use of this jam nut. It ensures that these levers are securely fastened to their respective pivot points, allowing for smooth and reliable operation of the valve train.

Finally, in the rocker top-level assembly lever, the jam nut is crucial for maintaining the integrity of the rocker arm adjustments. This ensures consistent valve timing and performance, which is vital for the engine’s overall efficiency and longevity.

Conclusion

The 3165947 Regular Hexagon Jam Nut is a critical component in the maintenance and operation of Cummins engines. Its design and features make it an effective solution for securing various engine components, ensuring stability, and enhancing performance. Proper installation and maintenance of this part are essential for the longevity and reliability of commercial truck engines.