5254305
Hexagon Head Cap Screw
Cummins®

The 5254305 Hex Head Cap Screw is a specialized fastener produced by Cummins, a well-established manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, contributing to the secure assembly and maintenance of truck components.

Basic Concepts of Hex Head Cap Screws

A Hex Head Cap Screw is a type of fastener characterized by a hexagonal head, which allows for efficient tool engagement. It features a threaded shaft that provides secure fastening when screwed into a corresponding threaded hole. The cap design at the top of the screw serves to protect the fastener and the joined components from contaminants, enhancing durability and performance ¹.

Purpose of the 5254305 Hex Head Cap Screw in Truck Operations

This Cummins part plays a role in the assembly and maintenance of commercial trucks by securely fastening various components. Its applications range from joining structural elements to securing engine parts, ensuring that critical truck systems remain intact under operational stress ².

Key Features of the 5254305 Hex Head Cap Screw

The 5254305 Hex Head Cap Screw is engineered with specific design elements and material properties to meet the demands of heavy-duty applications. Its hex-shaped head facilitates easy and secure tool engagement, while the threaded shaft ensures a strong and reliable connection. The cap design offers protection against environmental contaminants, contributing to the screw’s longevity and performance in demanding conditions ³.

Benefits of Using the 5254305 Hex Head Cap Screw

This Cummins part offers several advantages for commercial truck applications. Its durable construction and design elements contribute to resistance against loosening, even under vibration and stress. The ease of installation and removal enhances maintenance efficiency, allowing for quick and reliable fastening and disassembly when necessary.

Installation Guidelines

To ensure optimal performance and longevity of the 5254305 Hex Head Cap Screw, follow these installation guidelines:

1. Ensure the mating threads are clean and free of debris.
2. Use the appropriate tool to engage the hex head, applying even torque to avoid cross-threading.
3. Tighten the screw to the manufacturer’s specified torque settings to achieve a secure fit without over-tightening.

Troubleshooting Common Issues

Common issues with Hex Head Cap Screws include loosening and corrosion. To address these problems:

• Regularly inspect screws for signs of loosening and retighten as necessary.
• Apply a corrosion-resistant coating or use screws made from corrosion-resistant materials in environments prone to rust.

Maintenance Tips

To prevent failure and extend the service life of the 5254305 Hex Head Cap Screw:

• Conduct regular inspections to check for signs of wear, corrosion, or loosening.
• Clean the screw and surrounding area to remove contaminants that could affect performance.
• Replace screws that show significant wear or damage to maintain the integrity of the assembly.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets. The company is renowned for its commitment to reliability, performance, and customer satisfaction in the commercial truck industry.

Cummins Hex Head Cap Screw Part 5254305 in Engine Applications

The Cummins Hex Head Cap Screw part number 5254305 is a versatile component utilized across various Cummins engine models. This screw is integral in securing different parts and assemblies within the engine, ensuring structural integrity and operational efficiency.

B6.7 Series Engines

The B6.7 series engines, including the B6.7 CM2350 B135B, ISB6.7 CM2250, and ISB6.7 CM2350 B101, frequently incorporate the 5254305 screw. This part is often used in securing engine covers, mounting brackets, and other critical components that require a reliable fastening solution. Its robust design and high-strength properties make it suitable for the demanding environments within these engines.

QSB6.7 Series Engines

Similarly, the QSB6.7 series engines, such as the QSB6.7 CM2250 and QSB6.7 CM2350 B105, also utilize the 5254305 screw. In these engines, the screw is typically employed in securing various engine components, including but not limited to, valve covers, intake manifolds, and exhaust systems. The precision and durability of the 5254305 screw ensure that these components remain securely fastened under the high stress and varying temperatures encountered during engine operation.

ISB Series Engines

The ISB series engines, including the ISB (Chrysler) variant, also benefit from the use of the 5254305 screw. This part is used in securing a variety of engine parts, ensuring that all components are tightly fastened and properly aligned. Its application in these engines highlights its versatility and importance in maintaining the structural integrity of the engine.

Role of Part 5254305 Hex Head Cap Screw in Engine Systems

The part 5254305 Hex Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

In the breather system, this screw is used to fasten the breather cap to the crankcase, allowing for the release of pressure and contaminants while preventing the escape of oil vapors. This secure attachment is essential for maintaining the integrity of the crankcase ventilation system.

Within the crankcase, the Hex Head Cap Screw is employed to attach support brackets and accessory mounts. These brackets and mounts are vital for the structural integrity of the engine, providing a stable platform for accessories and supporting the weight and vibrations generated during operation.

In plumbing applications, particularly those involving the exhaust recirculation water system, the screw ensures that fittings and connections are tightly sealed. This is important for preventing leaks and ensuring that the recirculated water effectively cools the exhaust gases, contributing to reduced emissions and improved engine performance.

Additionally, the screw plays a role in supporting various engine accessories. Whether it is securing an alternator, a fuel pump, or other peripheral devices, the Hex Head Cap Screw ensures that these components remain firmly in place, operating efficiently without the risk of detachment or misalignment.

Conclusion

Overall, the part 5254305 Hex Head Cap Screw is a fundamental fastening element that contributes to the reliable operation and durability of engine systems. Its robust design, ease of use, and versatility make it an essential component in the maintenance and assembly of commercial trucks and engines.