3959424
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 3959424, is a critical component in the assembly and maintenance of commercial trucks. Manufactured by Cummins, a well-respected name in the automotive industry, this screw provides a reliable fastening solution that ensures the integrity of various truck components. Cummins’ commitment to quality and innovation makes this part a trusted choice for truck manufacturers and maintenance professionals.

Basic Concepts

A Hexagon Flange Head Cap Screw is characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into softer materials. Within a truck’s mechanical system, these screws secure components, ensuring they remain firmly in place under various operating conditions.

Purpose and Role in Truck Operation

The 3959424 Hexagon Flange Head Cap Screw serves multiple functions in truck operation. It is used to fasten critical components such as engine parts, transmission housings, and chassis elements. By providing a secure connection, it helps maintain the structural integrity and operational efficiency of the truck. Its applications range from attaching covers and plates to securing more complex assemblies, highlighting its versatility and importance in truck maintenance and repair.

Key Features

The 3959424 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for straightforward installation and removal using common tools. The flange at the base of the screw provides added stability and load distribution, reducing the risk of the screw pulling through the material. Additionally, the screw is crafted from high-quality materials, ensuring durability and resistance to corrosion, which is vital for withstanding the harsh environments trucks often operate in.

Benefits

The advantages of using the 3959424 Hexagon Flange Head Cap Screw include enhanced durability, resistance to loosening, and ease of installation and removal. The screw’s design minimizes the likelihood of vibration-induced loosening, a common issue in heavy-duty applications. Its ease of use with standard tools simplifies maintenance procedures, reducing downtime and labor costs. Furthermore, the screw’s robust construction ensures long-term performance, contributing to the overall reliability of the truck.

Installation and Usage

Proper installation of the 3959424 Hexagon Flange Head Cap Screw is vital to ensure its effectiveness and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to avoid over-tightening, which can damage threads, or under-tightening, which can compromise the fastening integrity. Best practices include cleaning the installation surface to remove any debris or contaminants that could affect the screw’s grip and using a torque wrench for precise application of force.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include corrosion, stripping, and loosening. Regular inspection and maintenance can help identify and address these problems early. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can prevent further damage. Stripped screws may require replacement, while loosening screws can often be tightened to the manufacturer’s specified torque. Adhering to maintenance schedules and performing routine checks can ensure the longevity and performance of these screws.

Manufacturer - Cummins

Cummins is a renowned manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. The company’s reputation for innovation, reliability, and customer satisfaction underscores its commitment to excellence. Cummins’ extensive range of products, including the 3959424 Hexagon Flange Head Cap Screw, reflects its dedication to meeting the demanding requirements of the commercial truck sector.

Cummins Hexagon Flange Head Cap Screw 3959424 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 3959424, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide secure fastening in various engine applications, ensuring the integrity and performance of the engine systems.

ISB CM2150 and ISB6.7 CM2250

The ISB CM2150 and ISB6.7 CM2250 engines benefit from the use of the 3959424 screw in multiple areas. These engines, known for their robust design and high performance, require reliable fastening solutions to maintain their structural integrity under demanding conditions. The hexagon flange head cap screw is used in applications where it needs to withstand significant stress and vibration, ensuring that components remain securely fastened throughout the engine’s operational life.

ISB CM850

Similarly, the ISB CM850 engine utilizes the 3959424 screw in its assembly. This engine, designed for versatility and efficiency, incorporates the screw in critical fastening points to ensure that all parts are held firmly in place. The screw’s design, with its hexagonal head and flange, provides a strong grip and ease of use during assembly and maintenance, contributing to the engine’s overall reliability and longevity.

Common Usage

Across these engine models, the 3959424 screw is often used in applications such as securing engine covers, attaching various engine components, and ensuring the proper alignment and fastening of parts that are subject to high stress and movement. Its design ensures that the screw can handle the rigors of engine operation, providing a dependable fastening solution that is essential for maintaining engine performance and safety.

Role of Part 3959424 Hexagon Flange Head Cap Screw in Various Engine Systems

Plumbing Systems

In plumbing systems, the 3959424 Hexagon Flange Head Cap Screw is often used to secure pipe fittings, valves, and other components. Its design allows for a secure and tight fit, which is essential for maintaining the integrity of the plumbing system. The flange head provides additional surface area for torque application, ensuring that connections remain sealed and leak-free under varying pressure conditions.

Exhaust Systems

Within exhaust systems, this screw plays a significant role in attaching mufflers, catalytic converters, and other exhaust components. The robust nature of the Hexagon Flange Head Cap Screw ensures that these components remain firmly in place, even under the high temperatures and vibrations typical of exhaust systems. This helps in maintaining the efficiency and performance of the exhaust system, contributing to reduced emissions and improved engine performance.

Recirculation Systems

In recirculation systems, such as Exhaust Gas Recirculation (EGR) systems, the 3959424 Hexagon Flange Head Cap Screw is used to secure various components like the EGR valve, cooler, and piping. The screw’s ability to provide a strong and reliable connection is vital for the proper functioning of the recirculation process. This, in turn, helps in reducing nitrogen oxides (NOx) emissions and improving fuel efficiency.

Water Recirculation Systems

For water recirculation systems, such as those found in cooling systems or water treatment plants, the Hexagon Flange Head Cap Screw ensures that pumps, valves, and pipe fittings are securely attached. This is particularly important in systems where water flow must be precisely controlled to maintain operational efficiency and prevent leaks.

General Recirculation Applications

Across various recirculation applications, whether in industrial machinery or automotive systems, the 3959424 Hexagon Flange Head Cap Screw offers the necessary strength and reliability to keep components in place. Its design minimizes the risk of loosening over time, even in environments with significant vibration or thermal cycling.

Conclusion

The Cummins Hexagon Flange Head Cap Screw, part number 3959424, is a versatile and reliable component essential for the assembly and maintenance of commercial trucks and various engine systems. Its design, featuring a hexagonal head and flange, ensures secure fastening and resistance to loosening, making it a critical part in maintaining the structural integrity and operational efficiency of trucks and engines. Proper installation, regular maintenance, and adherence to manufacturer specifications are key to maximizing the performance and longevity of this part.