192861
Socket Head Cap Screw
Cummins®

Introduction

The Socket Head Cap Screw Part #192861 by Cummins is a specialized fastener designed for use in commercial truck maintenance and operation. This screw is integral to ensuring the secure assembly of various truck components, contributing to the overall reliability and performance of commercial vehicles. Its design and construction are tailored to meet the demanding requirements of heavy-duty applications, making it a significant component in the maintenance regimen of commercial trucks ¹.

Basic Concepts of Socket Head Cap Screws

Socket Head Cap Screws are a type of fastener characterized by a cylindrical head with a hexagonal socket that allows for torque application using a hex key. These screws are widely used in the automotive industry due to their strength, ease of installation, and the reduced likelihood of cam-out compared to other screw types. Mechanically, they function by converting torque into clamping force, which holds components together securely ².

Purpose of the 192861 Socket Head Cap Screw in Truck Operation

This part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure and durable fastening is required. Applications include, but are not limited to, engine components, transmission systems, and chassis assemblies. The screw’s design ensures that it can withstand the high stresses and vibrations encountered in heavy-duty truck operations, contributing to the longevity and reliability of the truck ³.

Key Features of the 192861 Socket Head Cap Screw

This Cummins part is distinguished by several design and construction features that enhance its functionality and durability. It is made from high-strength materials, typically alloy steel, which provides superior tensile strength and resistance to wear. The screw features a fine thread type, which allows for precise adjustments and a higher clamping force. Its head design includes a hexagonal socket that facilitates easy installation and removal using a hex key, reducing the risk of damage to the screw or surrounding components.

Benefits of Using the 192861 Socket Head Cap Screw

Utilizing this part offers several advantages. Its enhanced strength and durability ensure that it can withstand the rigors of commercial truck operation, reducing the likelihood of failure. The screw’s corrosion-resistant properties contribute to its longevity, even in harsh operating environments. Additionally, the ease of installation provided by its hexagonal socket design allows for efficient maintenance procedures, minimizing downtime and enhancing overall truck performance.

Troubleshooting and Maintenance Suggestions

To ensure optimal performance and longevity of the 192861 Socket Head Cap Screw, it is important to be aware of common issues such as loosening or corrosion. Regular inspections should be conducted to identify any signs of wear or damage. Maintenance practices should include tightening screws to the manufacturer’s specified torque settings and applying appropriate corrosion-resistant coatings or lubricants. Replacing screws that show signs of significant wear or damage is also recommended to prevent potential failures.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to excellence is evident in its product offerings, which are designed to meet the demanding requirements of heavy-duty applications.

Compatibility with Various Engines

The Socket Head Cap Screw part number 192861 is a versatile component designed to fit seamlessly with a range of Cummins engines. This screw is engineered to provide reliable fastening in demanding environments, ensuring the integrity and performance of the engine systems.

Compatibility with Specific Engine Models

• 4B3.9, 6B5.9, K19, K38, K50, N14 MECHANICAL: This part is compatible with these engines, offering a secure fastening solution for various engine components. Its robust design ensures it can withstand the operational stresses of these engines, maintaining alignment and stability.

• QSK19 CM500, QST30 CM552: These models also benefit from the use of the 192861 screw. Its precision engineering makes it an ideal choice for securing parts in these engines, contributing to the overall reliability and efficiency of the engine systems.

• NH/NT 855: This part is also suitable for the NH/NT 855 engine. Its compatibility with this model ensures that it can be used in various applications within the engine, providing the necessary fastening strength and durability.

Grouping of Engines

When considering the compatibility of the 192861 screw with the listed engines, it is evident that this part is designed to fit a broad spectrum of Cummins engines. The grouping of engines such as the 4B3.9, 6B5.9, K19, K38, K50, and N14 MECHANICAL indicates that the screw is suitable for a range of applications within these models. Similarly, the QSK19 CM500 and QST30 CM552 engines, along with the NH/NT 855, also benefit from the use of this screw, highlighting its versatility and reliability across different engine types.

Role of Part 192861 in Various Engine Systems

Part 192861, the Socket Head Cap Screw, is integral to the assembly and functionality of numerous engine components. Its robust design ensures secure fastening, which is essential for the reliable operation of the following systems:

Accessories

In accessory systems, the Socket Head Cap Screw secures components such as switch brackets and tubing connections. This ensures that accessories remain firmly in place, preventing vibrations and potential detachment during engine operation.

Fuel System

Within the fuel system, this screw plays a significant role in the assembly of the fuel manifold and shut-off assembly valve. It ensures that fuel lines and manifolds are tightly secured, maintaining the integrity of the fuel delivery system and preventing leaks.

Base Parts

For base parts, the Socket Head Cap Screw is used to fasten critical components such as the base panel and generator control module. This secure attachment is vital for the structural stability of the engine’s foundational elements.

Brake System

In the brake system, the screw is employed to secure brake components, including the brake switch bracket and mounting valves. This ensures that brake mechanisms operate smoothly and reliably under varying conditions.

Engine Components

The engine itself relies on this screw for the secure attachment of various parts. It is used in the assembly of the engine control kit, oil control valve, and electronic control pressure valve. These attachments are essential for maintaining precise engine control and performance.

EBM (Engine Brake Module) System

In the EBM system, the Socket Head Cap Screw is critical for securing injectors and parts within the engine brake module. This ensures that the engine brake functions correctly, providing efficient engine retardation and control.

Performance Parts

For performance parts, the screw is utilized in high-performance applications to secure components such as the HVT (Hydro-Viscous Transmission) check valve and timing control valve. This ensures that performance enhancements are reliably integrated into the engine system.

Electronic Systems

In electronic systems, the screw secures the electronic fuel control valve and engine control module. This ensures that electronic components are firmly mounted, reducing the risk of electrical issues due to loose connections.

Plumbing and Shutoff Systems

The screw is also essential in plumbing and shutoff systems, where it secures shutoff valves and mounting components. This ensures that fluid systems within the engine operate without leaks or malfunctions.

Conclusion

Overall, the Socket Head Cap Screw (Part 192861) is a versatile fastener that enhances the reliability and performance of various engine systems by ensuring secure and stable component attachments. Its compatibility with a wide range of Cummins engines and its robust design make it an indispensable component in the maintenance and operation of commercial trucks.