3093932
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw (Part #3093932) is a specialized fastener designed for use in commercial trucks, particularly heavy-duty vehicles. This part plays a significant role in ensuring the secure attachment of various components within the truck’s mechanical systems. Its robust design and high-quality materials make it suitable for the demanding conditions encountered in commercial trucking operations.

Basic Concepts

The Hexagon Flange Head Cap Screw is characterized by its hexagonal head, which allows for efficient torque application using standard tools. The flange at the base of the head provides additional surface area for distribution of clamping force, enhancing the screw’s ability to hold components firmly in place. Commonly made from materials such as alloy steel or stainless steel, these screws are designed to withstand high levels of stress and corrosion. Within mechanical systems, they function by converting rotational force into linear force, thereby securing parts together ¹.

Purpose and Function

The 3093932 Hexagon Flange Head Cap Screw serves a specific purpose in truck operations by securing critical components and ensuring structural integrity. It is often used in applications where vibration and dynamic loads are present, such as in the attachment of engine components, chassis parts, and other heavy-duty assemblies. By providing a reliable fastening solution, this screw helps maintain the alignment and functionality of various truck systems ².

Key Features

Several key features distinguish the 3093932 Hexagon Flange Head Cap Screw. Its hexagonal head design allows for easy and precise tightening using common tools, reducing the risk of cam-out during installation. The flange at the base of the head not only enhances the screw’s clamping ability but also provides additional resistance to loosening under vibration. Additionally, the cap screw functionality ensures a clean, countersunk appearance when installed, which can be important in applications where aesthetics or aerodynamics are considerations.

Benefits

The 3093932 Hexagon Flange Head Cap Screw offers several advantages. Its design enhances fastening security, making it less likely for the screw to loosen over time, even under significant vibration. The material choices, typically high-strength alloy or stainless steel, provide excellent resistance to corrosion and wear, ensuring longevity in harsh operating environments. Furthermore, the ease of installation and removal, thanks to its hexagonal head, allows for efficient maintenance and repair processes ³.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and wear. To troubleshoot these problems, regular inspections should be conducted to check for signs of loosening or damage. If corrosion is detected, the affected area should be cleaned, and a corrosion-resistant coating may be applied. For screws that show signs of wear, replacement is recommended to maintain structural integrity. Proper torque settings during installation are crucial to prevent over-tightening, which can lead to stripping, and under-tightening, which can result in loosening.

Manufacturer Information

Cummins is a well-respected name in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has established a reputation for excellence in the manufacturing of automotive parts. Their dedication to stringent quality control processes ensures that each product, including the 3093932 Hexagon Flange Head Cap Screw, meets the high standards required for heavy-duty applications.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3093932

The Cummins part 3093932, a Hexagon Flange Head Cap Screw, is designed to fit a variety of Cummins engines, ensuring secure fastening and reliable performance. This part is integral to the assembly and maintenance of several engine models, providing a robust solution for securing components in place.

Engine Models Compatible with Part 3093932

• 15N CM2380 M104B
• 4B3.9
• 6B5.9
• 6C8.3
• A1400
• A1700
• A2000
• A2300
• B3.3
• B4.5 CM2350 B129B
• B5.6 CM2670 B152B
• B5.9 CM2670 B166C
• B5.9 GAS PLUS CM556
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• C GAS PLUS CM556
• D4.0 CM2620 D103B
• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• F3.8 CM2620 F137B
• F3.8 F102
• F4.5 CM2620 F139B
• F4.5 CM2620 F141C
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN

This part is engineered to meet the stringent requirements of Cummins engines, ensuring compatibility and performance across a diverse range of engine models. Its use in these engines underscores its versatility and importance in maintaining the integrity of engine assemblies.

Hexagon Flange Head Cap Screw (Part 3093932) Usage in Engine Systems

The Hexagon Flange Head Cap Screw, identified by part number 3093932, is a versatile fastener utilized across various engine systems to ensure secure and reliable connections. Its application spans multiple components, contributing to the overall integrity and functionality of the engine.

Aftercooler

In the aftercooler system, the Hexagon Flange Head Cap Screw is employed to fasten the aftercooler to its mounting brackets. This ensures that the aftercooler remains securely in place, allowing for efficient cooling of compressed air before it enters the engine.

Air Crossover Connection

For the air crossover connection, these screws are used to secure the crossover pipe to the engine block or manifold. This connection is vital for distributing air evenly across multiple cylinders, enhancing combustion efficiency.

Air Transfer Connection

Similarly, in the air transfer connection, the screw is utilized to attach the transfer pipe to the engine components, ensuring a leak-free pathway for air movement within the engine system.

Alternator Drive and Mounting

The Hexagon Flange Head Cap Screw plays a role in both the alternator drive and its mounting. It secures the alternator to the engine, ensuring it operates smoothly and efficiently to generate electrical power.

Compressor Air Inlet Plumbing

In the compressor air inlet plumbing, these screws are used to fasten the plumbing components, guaranteeing a secure and airtight connection that allows for efficient air compression and delivery to the engine.

Corrosion Resistor Location

At the corrosion resistor location, the screw is used to mount the corrosion-resistant components, protecting the engine from environmental damage and extending its operational life.

Exhaust Recirculation Air Plumbing

For the exhaust recirculation air plumbing, the screw ensures that the recirculation pipes are firmly attached, promoting efficient recirculation of exhaust gases to reduce emissions.

Fuel Drain Plumbing

In the fuel drain plumbing, these screws are utilized to secure the drain lines, ensuring that fuel can be safely and effectively drained from the system when necessary.

Fuel Pump Kit and Shutoff Valve

The Hexagon Flange Head Cap Screw is integral in assembling the fuel pump kit and securing the fuel shutoff valve, ensuring reliable fuel delivery and control within the engine system.

Marine Gear Oil Cooler

For the marine gear oil cooler, these screws are used to attach the cooler to the engine, facilitating effective cooling of the gear oil to maintain optimal performance.

Motor Generator System

In the motor generator system, the screw is employed to secure the generator components, ensuring stable and reliable electrical output.

Nitrogen Oxide Sensor Location

At the nitrogen oxide sensor location, the screw mounts the sensor, allowing for accurate monitoring of nitrogen oxide levels in the exhaust, crucial for emission control.

Oil Bypass Filter

The Hexagon Flange Head Cap Screw is used to attach the oil bypass filter, ensuring that it remains securely in place to filter oil effectively and maintain engine health.

Oil Fill Arrangement and Pan

In the oil fill arrangement and oil pan, these screws secure the components, ensuring a leak-free system for oil storage and circulation.

Overhaul Kit

During engine overhauls, the screw is used in the overhaul kit to reassemble and secure various engine components, ensuring they are correctly installed and function as intended.

Performance Parts

For performance parts, the screw is utilized to attach enhancements and modifications, ensuring they are securely integrated into the engine system for improved performance.

Product Installation Package

In product installation packages, these screws are included to facilitate the secure attachment of new components during installation, ensuring a smooth and reliable setup.

Rear Gear Housing

The Hexagon Flange Head Cap Screw is used to secure the rear gear housing, ensuring that the gears operate smoothly and efficiently within the engine.

Shipping Arrangement

For shipping arrangements, these screws are used to secure components during transport, ensuring they arrive intact and ready for installation.

Turbocharger Arrangement

In the turbocharger arrangement, the screw is employed to attach the turbocharger to the engine, ensuring it operates efficiently to boost engine performance.

Valve Cover

The Hexagon Flange Head Cap Screw secures the valve cover, protecting the valvetrain components and maintaining engine integrity.

Water Pump Drive

Finally, in the water pump drive, these screws are used to attach the water pump, ensuring efficient coolant circulation to prevent engine overheating.

Conclusion

The Cummins Hexagon Flange Head Cap Screw (Part #3093932) is a critical component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its robust design, high-quality materials, and versatile applications make it an essential fastener for ensuring the secure attachment of various engine components. Regular maintenance and proper installation practices are key to maximizing the performance and longevity of this part in demanding commercial trucking environments.