4085953
Flexible Hose
Cummins®

The 4085953 Knurled Nut, a component manufactured by Cummins, is integral to the commercial truck industry. This nut is specifically designed for use in commercial trucks, where it plays a role in various mechanical systems. Understanding its function and application is key to maintaining the efficiency and reliability of these vehicles.

Basic Concepts of Knurled Nuts

A knurled nut is a type of fastener characterized by a patterned surface, known as knurling, which provides enhanced grip. This design allows for easier installation and removal by hand, without the need for additional tools. In mechanical systems, knurled nuts serve to secure components in place, ensuring stability and proper function. The knurling also helps to prevent the nut from loosening due to vibration, a common issue in heavy-duty applications ¹.

Purpose of the 4085953 Knurled Nut in Truck Operation

In the context of commercial trucks, the 4085953 Knurled Nut plays a role in securing various components, contributing to the overall stability and performance of the vehicle. Its application ranges from fastening parts of the engine to securing elements of the truck’s frame. By providing a secure fit, it helps maintain the integrity of the truck’s mechanical systems under the stress of heavy-duty operations ².

Key Features

The 4085953 Knurled Nut is distinguished by its robust design and high-quality material, typically a grade of steel that offers superior strength and durability. The knurled pattern on its surface is precisely engineered to provide maximum grip, facilitating easy installation and removal. Additionally, the nut is designed to withstand the harsh conditions typical of commercial truck environments, including exposure to vibrations, temperature fluctuations, and mechanical stress ³.

Benefits

Utilizing the 4085953 Knurled Nut in commercial trucks offers several advantages. Its durable construction contributes to the longevity of the components it secures. The ease of installation reduces maintenance time and labor costs. Furthermore, the enhanced grip provided by the knurled surface minimizes the risk of loosening, which can lead to component failure or increased wear.

Installation Process

To install the 4085953 Knurled Nut correctly, begin by ensuring the mating thread is clean and free of debris. Align the nut with the thread and start by hand-tightening it to avoid cross-threading. Once snug, use a wrench to achieve the recommended torque specification for the application. It’s important to avoid over-tightening, which can damage the threads or the nut itself.

Common Applications

The 4085953 Knurled Nut finds its use in various areas within a commercial truck. It is commonly employed in the engine compartment for securing components, in the chassis for frame assembly, and in the drivetrain for fastening parts. Its versatility and reliability make it a preferred choice for many critical applications.

Troubleshooting and Maintenance

Regular inspection of the 4085953 Knurled Nut is recommended to identify any signs of wear or damage. If the nut shows signs of loosening, it should be re-tightened to the specified torque. In cases where the nut or its mating thread is damaged, replacement is advised to prevent further issues. Maintaining the nut’s cleanliness and ensuring it is free from corrosion will also contribute to its longevity and performance.

Cummins: Manufacturer Overview

Cummins is a globally recognized manufacturer with a strong reputation in the commercial truck industry. Founded in 1919, the company has a long history of innovation and quality, offering a wide range of products designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence is reflected in its extensive product line, which includes engines, filtration systems, and aftermarket parts, all engineered to deliver reliability and performance.

Cummins Knurled Nut 4085953 Compatibility with QSK Engines

The Cummins Knurled Nut part number 4085953 is designed to fit seamlessly within several models of Cummins QSK engines. This part is integral to the assembly and maintenance of these engines, ensuring secure fastening and reliable operation.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines both utilize the 4085953 Knurled Nut in their construction. This part is essential for maintaining the integrity of the engine’s components, providing a secure grip that prevents loosening under operational stress. Its application in these engines ensures that the fastenings remain tight, which is crucial for the overall performance and longevity of the engine.

QSK60 CM850 MCRS

The QSK60 CM850 MCRS engine also incorporates the 4085953 Knurled Nut. This engine, being a more advanced model, requires precise and reliable fastening solutions to handle the increased demands of its operation. The 4085953 Knurled Nut is engineered to meet these requirements, offering a robust solution for securing various engine components.

Role of Part 4085953 Knurled Nut in Engine Systems

The 4085953 Knurled Nut is an essential component in various engine systems, providing secure and reliable connections. In plumbing applications, this nut ensures tight seals in fluid transfer lines, preventing leaks and maintaining system integrity. When integrated into an engine oil primer system, the 4085953 Knurled Nut plays a significant role in securing connections that facilitate the smooth flow of oil to critical engine components, ensuring proper lubrication and reducing wear.

In primer systems, this nut is used to connect components that deliver fuel or other fluids to the engine, ensuring that these connections remain stable under varying pressures and temperatures. Additionally, within engine lubricating systems, the 4085953 Knurled Nut is employed to fasten fittings and hoses, guaranteeing that lubricants are efficiently distributed throughout the engine, which is vital for optimal performance and longevity.

Overall, the 4085953 Knurled Nut contributes to the reliability and efficiency of these engine systems by providing robust and durable connections.

Conclusion

The 4085953 Knurled Nut is a critical component in the maintenance and operation of commercial trucks and Cummins QSK engines. Its robust design, ease of installation, and reliable performance make it an indispensable part for ensuring the stability and efficiency of heavy-duty mechanical systems.