5263688
Hexagon Flange Nut
Cummins®

The Cummins 5263688 Hexagon Flange Nut is a significant component in commercial truck maintenance, ensuring the structural integrity of various truck components through a secure fastening mechanism. Its design and material composition are engineered to withstand the demanding conditions of truck operations, making it essential for maintenance and repair processes in commercial vehicles.

Basic Concepts of Hexagon Flange Nuts

A Hexagon Flange Nut is a fastener with a hexagonal shape and a flange—a flat, circular plate—attached to one end. This design facilitates easier installation and removal with standard tools and provides additional surface area for load distribution. In the automotive industry, flange nuts are used in applications requiring vibration resistance and secure fastening, such as wheel assemblies, engine mounts, and structural components ¹.

Purpose of the 5263688 Hexagon Flange Nut in Truck Operations

The 5263688 Hexagon Flange Nut is crucial in the operation and maintenance of commercial trucks. It is used in applications where secure fastening is essential, such as attaching critical components to the truck’s frame or chassis. The nut’s design ensures these components remain firmly in place, even under dynamic loads and vibrations, which is fundamental to the safety and efficiency of truck mechanics ².

Key Features of the 5263688 Hexagon Flange Nut

The 5263688 Hexagon Flange Nut is characterized by several key features that enhance its performance and durability. Its hexagonal shape allows for efficient torque application during installation and removal, reducing the risk of rounding or stripping. The flange design provides additional surface area for load distribution, preventing the nut from loosening over time. The material composition is selected to offer resistance to corrosion and wear, ensuring reliable performance in various environmental conditions. Additionally, unique manufacturing specifications, such as heat treatment or special coatings, contribute to the nut’s durability and functionality ³.

Benefits of Using the 5263688 Hexagon Flange Nut

The 5263688 Hexagon Flange Nut offers several advantages that contribute to the overall efficiency and safety of truck operations. Its design allows for improved load distribution, maintaining the integrity of fastened components. The flange provides enhanced resistance to vibration, reducing the likelihood of loosening over time. The ease of installation and removal facilitated by the hexagonal shape and flange design saves time and labor during maintenance procedures, contributing to more reliable and efficient truck operations ⁴.

Troubleshooting and Maintenance Suggestions

To ensure the longevity and reliable performance of the 5263688 Hexagon Flange Nut, it is important to be aware of common issues such as loosening or corrosion. Regular inspections should be conducted to check for signs of wear or damage. If loosening is detected, re-torque the nut to the manufacturer’s specified torque value using the appropriate tools. In cases of corrosion, cleaning the nut and applying a suitable anti-corrosion treatment can help prevent further degradation. Proper torque application during installation is crucial to avoid over-tightening, which can lead to stripping, or under-tightening, which can result in loosening.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer with a rich history in diesel engine production. The company’s expertise and commitment to innovation and quality have established it as a leader in the automotive industry. Cummins’ reputation for reliability extends to its aftermarket parts, including the 5263688 Hexagon Flange Nut. The company’s dedication to producing high-quality components ensures that its parts meet the rigorous demands of commercial truck operations, providing customers with reliable and durable solutions for their maintenance needs.

Cummins Hexagon Flange Nut Part 5263688 Compatibility

The Cummins Hexagon Flange Nut part number 5263688 is designed to fit a variety of Cummins engines, ensuring a secure and reliable connection in various applications. This part is integral to the assembly and maintenance of several engine models, providing a robust solution for fastening components.

Compatible Engines

• 4B3.9
• 6B5.9
• B5.9 G

These engines, known for their durability and performance, benefit from the precision and strength of the 5263688 Hexagon Flange Nut. This part ensures that critical connections remain tight and secure, contributing to the overall reliability of the engine.

• ISB (Chrysler)
• ISX CM570

The ISB and ISX engines, favored for their power and efficiency, also utilize the 5263688 Hexagon Flange Nut. This part is essential in maintaining the integrity of the engine’s connections, ensuring smooth operation and longevity.

• QSB4.5 CM2250 EC
• QSB6.7 M CM2250

The QSB series engines, known for their versatility and strength, incorporate the 5263688 Hexagon Flange Nut in their design. This part is crucial for securing various components, enhancing the engine’s performance and reliability.

• QSK19 CM2350 K144G

The QSK19 engine, designed for heavy-duty applications, also relies on the 5263688 Hexagon Flange Nut. This part ensures that the engine’s connections are robust and secure, supporting the demanding requirements of heavy-duty operations.

The 5263688 Hexagon Flange Nut is a critical component for maintaining the integrity and performance of these Cummins engines, providing a reliable fastening solution across a range of applications.

Role of Part 5263688 Hexagon Flange Nut in Engine Systems

The 5263688 Hexagon Flange Nut is integral to the secure assembly and operation of various engine components. It is commonly used in the fastening of the breather system to the crankcase, ensuring a tight seal that prevents oil leaks and maintains the integrity of the crankcase breather system. This nut is also employed in the mounting of the starting motor to the engine, providing a robust connection that ensures the motor can deliver the necessary torque for engine starting without any risk of detachment or misalignment.

In plumbing applications within the engine system, such as the keel cooler, the Hexagon Flange Nut plays a significant role in securing pipes and fittings. Its design allows for easy tightening and loosening, which is essential during maintenance or repair procedures. The flange feature of the nut also aids in distributing the clamping force more evenly across the gasket or sealing surface, which is vital for maintaining the seal in high-pressure or high-vibration environments typical of engine operations.

Overall, the 5263688 Hexagon Flange Nut is a versatile fastener that contributes to the reliability and efficiency of engine systems by ensuring that components are securely fastened and sealed, thereby supporting the overall performance and longevity of the engine.

Conclusion

The 5263688 Hexagon Flange Nut by Cummins is a vital component in the maintenance and operation of commercial trucks and engines. Its design and material composition ensure secure fastening and resistance to corrosion and wear, contributing to the reliability and efficiency of truck and engine systems. Regular maintenance and proper torque application are essential to ensure the longevity and performance of this part.