3065950
Captive Washer Cap Screw
Cummins®

The Captive Washer Cap Screw, specifically Part #3065950 by Cummins, is a specialized fastener designed for use in heavy-duty trucks. Cummins, a well-established manufacturer in the automotive and heavy-duty truck industry, produces this component to meet the rigorous demands of commercial vehicle applications. This screw plays a role in ensuring the secure attachment of various components within the truck’s structure.

Basic Concepts

A Captive Washer Cap Screw is a type of fastener that incorporates a washer directly into its design. This integration ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the assembly process. In mechanical assemblies, these screws are used to join components securely, providing both structural integrity and electrical insulation where necessary ¹.

Purpose of the 3065950 Captive Washer Cap Screw

This Cummins part serves a function in the operation of heavy-duty trucks. It is primarily used to secure components that require a high level of reliability and durability. By maintaining a tight and consistent connection, this screw helps to ensure the structural integrity of the truck, contributing to its overall performance and safety.

Key Features

The 3065950 Captive Washer Cap Screw boasts several key features that enhance its performance. Its design includes an integrated washer, which simplifies installation and reduces the likelihood of washer loss. The screw is made from high-quality materials, ensuring durability and resistance to corrosion. Additionally, its precise threading allows for secure fastening and easy removal when necessary ².

Benefits

Using the 3065950 Captive Washer Cap Screw offers several advantages. The integrated washer design streamlines the installation process, saving time and reducing the potential for errors. The high-quality material composition ensures enhanced durability, making it suitable for the demanding conditions encountered in heavy-duty truck applications. Furthermore, the secure fastening provided by this screw contributes to improved reliability and structural integrity.

Installation Process

Installing the 3065950 Captive Washer Cap Screw requires careful attention to detail. Begin by ensuring the mating surfaces are clean and free of debris. Align the screw with the designated hole and use a torque wrench to tighten it to the manufacturer’s specified torque settings. It is important to avoid over-tightening, which can damage the screw or the components being fastened. Following these best practices will ensure a secure and lasting installation.

Troubleshooting and Maintenance

Regular maintenance of the 3065950 Captive Washer Cap Screw is important to ensure its longevity and performance. Inspect the screw periodically for signs of wear, corrosion, or loosening. If any issues are detected, address them promptly to prevent further damage. In cases where the screw shows significant wear or damage, consider replacement to maintain the structural integrity of the truck.

Safety Considerations

When working with the 3065950 Captive Washer Cap Screw, it is important to follow safety guidelines to ensure personal safety and the integrity of the truck. Use the appropriate tools, such as a torque wrench, to install and remove the screw. Adhere to the manufacturer’s torque specifications to avoid over-tightening or under-tightening. Additionally, wear personal protective equipment (PPE) when performing maintenance or repairs to protect against potential injuries.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history spanning over a century, Cummins has established a strong reputation for quality, reliability, and customer satisfaction. The company’s product range includes engines and components for on-highway and off-highway applications, as well as filtration and emission solutions. Cummins’ commitment to innovation and excellence makes it a trusted name in the automotive and heavy-duty truck industry ³.

Captive Washer Cap Screw 3065950 in Cummins Engines

The Captive Washer Cap Screw 3065950 is a component in several Cummins engine models, ensuring the integrity and functionality of the engine’s assembly. This part is designed to secure various engine components, providing both stability and ease of assembly.

G855 and G855 CM558

In the G855 and G855 CM558 engines, the 3065950 screw is used to fasten parts that require a secure hold, maintaining the alignment and connection of critical engine components.

K19 and KTA19GC

For the K19 and KTA19GC engines, this cap screw plays a role in securing components within the engine’s framework, ensuring that parts remain tightly fastened and properly aligned during operation.

KTA19GC CM558

Similar to the G855 CM558, the KTA19GC CM558 engine utilizes the 3065950 screw to maintain the structural integrity of its components, providing a reliable fastening solution.

N14 CELECT PLUS and N14 MECHANICAL

In both the N14 CELECT PLUS and N14 MECHANICAL engines, the 3065950 cap screw is integral to the assembly of various parts, ensuring that the engine operates smoothly and efficiently.

QSK19 CM500 and QSK19 CM850 MCRS

The QSK19 CM500 and QSK19 CM850 MCRS engines also rely on the 3065950 screw for fastening critical components, maintaining the engine’s structural integrity and operational efficiency.

QSK19G and QSNT14 CM876 N102

Lastly, in the QSK19G and QSNT14 CM876 N102 engines, this cap screw is used to secure various parts, ensuring that the engine’s components remain tightly fastened and properly aligned, contributing to the overall performance and reliability of the engine.

Role of Part 3065950 Captive Washer Cap Screw in Engine Systems

The part 3065950 Captive Washer Cap Screw is integral to the assembly and securement of various engine components, ensuring their stability and proper function.

In the afterheater system, this screw plays a role in attaching the afterheater to the engine block, ensuring efficient heat management post-combustion.

For the air intake manifold and air intake mounting manifold, it secures these components to the engine, maintaining airtight seals which are vital for optimal air-fuel mixture.

The alternator guard bracket relies on this screw for attachment to the engine, protecting the alternator from physical damage while ensuring electrical integrity.

In the assembly of base parts, the screw is used to fasten these foundational components, providing a stable platform for other engine parts.

At the breather location and within the crankcase breather arrangement, it ensures that the breather components are securely mounted, allowing for effective ventilation of crankcase gases.

The damper & alternator guard and damper guard utilize this screw for secure attachment, safeguarding sensitive engine parts from vibrations and external impacts.

For the fan drive system, the screw is essential in attaching the fan drive mechanism to the engine, ensuring efficient cooling.

The front engine guard is fastened using this screw, providing a protective barrier against frontal impacts and debris.

In the fuel system accessories, it secures various components, ensuring the integrity of the fuel delivery system.

The heat exchanger relies on this screw for secure mounting, facilitating effective heat transfer processes.

Within the heat shield arrangement, it ensures that heat shields are properly attached, protecting nearby components from excessive heat.

For the hotstart start knock kit and kit shield drip, the screw is used to secure these components, enhancing engine performance and protection.

In the noise panel mtg and oil pan mounting, it ensures these components are firmly attached, reducing noise and securing the oil pan in place.

The oil pan/noise panel mtg. benefits from this screw for secure attachment, combining noise reduction with structural integrity.

For the rocker lever cover mounting, it ensures the cover is securely fastened, protecting the rocker lever mechanism.

The thermostat housing is attached using this screw, ensuring a secure and leak-free connection for temperature regulation.

In the turbocharger arrangement, it secures turbocharger components, ensuring efficient forced induction.

The valve cover is fastened with this screw, providing a seal for the valve train components.

For the water outlet connection and water outlet mounting, it ensures these components are securely attached, maintaining the integrity of the cooling system.

Conclusion

The 3065950 Captive Washer Cap Screw by Cummins is a critical component in the assembly and maintenance of heavy-duty truck engines. Its design, featuring an integrated washer, simplifies installation and ensures secure fastening. Made from high-quality materials, this screw offers durability and resistance to corrosion, making it suitable for the demanding conditions of commercial vehicle applications. Regular maintenance and adherence to safety guidelines are essential to ensure the longevity and performance of this part, contributing to the overall reliability and safety of the vehicle.