5268865
Studded Flange Cap Screw
Cummins®

The Studded Flange Cap Screw, identified by Part #5268865, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part plays a significant role in heavy-duty truck applications, contributing to the secure assembly and operation of various truck components. Understanding its function, features, and proper usage is vital for maintaining the efficiency and reliability of heavy-duty trucks.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener characterized by a threaded shank and a head with a flange. It is designed to provide a secure connection between components in mechanical systems. The flange at the head of the screw offers additional surface area for tightening, which enhances the screw’s ability to resist loosening under vibration and dynamic loads. In mechanical systems, these screws are used to join parts that require a strong, durable connection, often in environments where vibrations and fluctuating loads are common ¹.

Purpose and Role in Truck Operation

The 5268865 Studded Flange Cap Screw serves a specific purpose in heavy-duty trucks by ensuring secure connections and maintaining structural integrity across various components. It is particularly useful in applications where components are subjected to significant stress and vibration, such as in the engine compartment, transmission systems, and chassis assemblies. By providing a robust fastening solution, this part helps in maintaining the alignment and operational efficiency of truck components, thereby contributing to the overall performance and safety of the vehicle ².

Key Features

The 5268865 Studded Flange Cap Screw is distinguished by several key features that enhance its performance and durability. It is typically made from high-strength materials, such as alloy steel, which provides excellent resistance to wear and corrosion. The design includes a studded flange that increases the surface area for tightening, improving the screw’s resistance to loosening. Additionally, the screw is engineered to withstand high tensile loads, making it suitable for demanding applications in heavy-duty trucks.

Benefits

Utilizing the 5268865 Studded Flange Cap Screw offers several advantages in truck operations. Its design allows for improved load distribution across the connection point, reducing the risk of component failure under stress. The screw’s resistance to vibration ensures that connections remain secure even in dynamic operating conditions, enhancing the reliability of truck components. Furthermore, the durability of the screw contributes to reduced maintenance requirements and extended service life, offering cost-effective fastening solutions for heavy-duty applications.

Installation and Usage

Proper installation of the 5268865 Studded Flange Cap Screw is crucial for achieving optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to ensure that the screw is tightened to the correct level, avoiding over-tightening which can lead to damage, and under-tightening which can result in loosening. Using the appropriate tools and techniques during installation, such as a torque wrench, helps in maintaining the integrity of the connection and the screw itself.

Troubleshooting and Maintenance

Common issues with the 5268865 Studded Flange Cap Screw may include loosening due to vibration or corrosion over time. Regular inspections are recommended to identify any signs of wear, corrosion, or loosening. Maintenance practices such as re-torquing the screw to the manufacturer’s specifications and applying an anti-seize compound can help in addressing these issues and prolonging the screw’s service life. In cases where corrosion is significant, replacing the screw may be necessary to ensure the continued reliability of the connection.

Manufacturer - Cummins

Cummins is a reputable manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a long-standing reputation for producing reliable and high-performance components, Cummins ensures that its products, including the 5268865 Studded Flange Cap Screw, meet the rigorous demands of heavy-duty applications. Their expertise in engineering and manufacturing processes contributes to the durability, performance, and reliability of their components, making them a preferred choice for professionals in the industry.

Application in Cummins Engines

The Studded Flange Cap Screw part 5268865, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide a secure fastening mechanism, ensuring that flanges and other components remain tightly connected under operational stresses.

F3.8 CM2620 F137B and F4.5 CM2620 F139B

These engines, part of the Cummins CM2620 series, benefit from the robust fastening capabilities of the 5268865 screw. The screw is used in various applications where flanges need to be securely fastened, such as in the exhaust system or coolant passages. Its studded design ensures a tight seal, preventing leaks and maintaining system integrity.

ISF3.8 CM2220 AN

In the ISF3.8 CM2220 AN engine, the 5268865 screw is utilized in critical areas where flange connections are essential. This includes securing components in the fuel system and other high-pressure areas, ensuring that the engine operates efficiently and reliably.

QSK60 CM850 MCRS and QSX15 CM2350 X105

For the QSK60 CM850 MCRS and QSX15 CM2350 X105 engines, the 5268865 screw is integral to the assembly of various flanges. These engines, known for their durability and performance, require a reliable fastening solution to maintain operational standards. The screw’s design allows for easy installation and removal, facilitating maintenance and repairs.

X12 CM2350 X119B and X12N CMMDG1 X143B

In the X12 CM2350 X119B and X12N CMMDG1 X143B engines, the 5268865 screw is used in several key areas, including the exhaust and intake systems. Its studded design provides the necessary strength and stability to withstand the high temperatures and pressures encountered in these systems. This ensures that the engines can operate at peak performance while maintaining safety and reliability.

Role of Part 5268865 Studded Flange Cap Screw in Engine Systems

The Part 5268865 Studded Flange Cap Screw is integral in securing and maintaining the integrity of various engine components. Its application spans across multiple systems, ensuring robust connections and reliable performance.

Alternator Mounting

In alternator mounting applications, the Studded Flange Cap Screw provides a secure attachment point for the alternator to the engine block or bracket. This ensures that the alternator remains firmly in place, minimizing vibrations and ensuring consistent power generation.

Harness and Electronic Control Module (ECM) Wiring

For harness and ECM wiring, the Studded Flange Cap Screw plays a role in grounding and securing electrical connections. It helps in maintaining a stable electrical environment, reducing the risk of loose connections that could lead to intermittent faults or complete system failures.

Refrigerant Compressor Mounting

When mounting the refrigerant compressor, the Studded Flange Cap Screw ensures that the compressor is securely fastened to the engine or chassis. This is essential for the efficient operation of the air conditioning system, as any movement or misalignment can affect performance and lead to increased wear.

Plumbing and Injector Connections

In plumbing applications, particularly with fuel injectors, the Studded Flange Cap Screw is used to secure injectors to the engine block or fuel rail. This ensures a leak-free connection, which is vital for maintaining fuel system integrity and ensuring precise fuel delivery.

Overall, the Part 5268865 Studded Flange Cap Screw is a versatile component that enhances the reliability and performance of various engine systems by providing secure and stable connections.

Conclusion

The 5268865 Studded Flange Cap Screw is a critical component in the automotive and heavy-duty truck industry, offering secure and reliable fastening solutions for various applications. Its design, featuring a studded flange and high-strength materials, ensures durability and resistance to loosening under dynamic loads. Proper installation and maintenance practices are essential for maximizing the performance and longevity of this part. As a product of Cummins, a reputable manufacturer known for quality and innovation, the 5268865 screw is a trusted choice for professionals in the industry, contributing to the efficiency, safety, and reliability of heavy-duty trucks and engines.