3251296
Regular Hexagon Nut
Cummins®

The 3251296 Regular Hexagon Nut, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the commercial vehicle industry, produces this nut to meet the rigorous demands of heavy-duty truck operations. This component is integral to ensuring the secure fastening of various parts within the truck’s structure and systems.

Basic Concepts of Regular Hexagon Nuts

A regular hexagon nut is a type of fastener characterized by its six-sided shape. This design allows for efficient tightening and loosening using a wrench or socket, providing a firm grip that minimizes the risk of slippage. The hexagonal shape is advantageous over other nut designs because it offers a larger contact area for the tool, enhancing torque application and reducing the likelihood of rounding off the nut during use ¹.

Purpose of the 3251296 Regular Hexagon Nut in Truck Operations

The 3251296 Regular Hexagon Nut plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various applications where secure fastening is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. Its design ensures that these components remain firmly in place, even under the dynamic and demanding conditions encountered in truck operations ².

Key Features

The 3251296 Regular Hexagon Nut is crafted from high-quality materials to ensure durability and performance. It features a specific thread type that matches the bolts it is designed to pair with, ensuring a secure fit. Additionally, it may include special coatings or treatments that enhance its resistance to corrosion and wear, further extending its service life in harsh operating environments ³.

Benefits

Using the 3251296 Regular Hexagon Nut offers several benefits. Its design allows for improved torque application, ensuring that components are securely fastened. The nut’s resistance to loosening under vibration and dynamic loads contributes to the reliability of truck operations. Furthermore, its durability in harsh conditions ensures longevity, reducing the need for frequent replacements ⁴.

Installation Guidelines

Proper installation of the 3251296 Regular Hexagon Nut is crucial for its performance and longevity. It should be installed using the appropriate tools to avoid damage. Torque specifications provided by the manufacturer should be followed to ensure the nut is tightened to the correct level, balancing security with the risk of over-tightening.

Troubleshooting and Maintenance

Common issues with regular hexagon nuts include loosening over time and corrosion. Regular inspection and maintenance can help identify these issues early. If a nut shows signs of loosening, it should be re-tightened to the manufacturer’s specifications. Corrosion can be mitigated through the application of appropriate coatings or treatments, and in severe cases, replacement may be necessary.

Compatibility and Applications

The 3251296 Regular Hexagon Nut is designed for use in specific applications within commercial truck setups. It is compatible with a range of systems and components, ensuring versatile use across different truck models and configurations.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. Its product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Regular Hexagon Nut 3251296 Compatibility

The Cummins Regular Hexagon Nut part number 3251296 is a versatile component that fits a variety of Cummins engines. This part is designed to provide a secure fastening solution in various engine configurations. Below is a detailed description of its compatibility across different Cummins engine models:

K-Series Engines

• K19
• K38
• K50

The Regular Hexagon Nut 3251296 is compatible with the K-Series engines, including the K19, K38, and K50. These engines are known for their robust design and are often used in heavy-duty applications.

L10 Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

This nut is also suitable for the L10 engine variants, such as the L10 CELECT, L10 GAS, and L10 MECHANICAL. These engines are designed for a range of applications, from marine to industrial use.

M11 Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The Regular Hexagon Nut 3251296 fits the M11 engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL. These engines are known for their efficiency and reliability in various applications.

N14 Engine

• N14 CELECT PLUS

This nut is also compatible with the N14 CELECT PLUS engine, which is designed for heavy-duty applications and offers high performance and durability.

QSM11 Engine

• QSM11 CM570

The Regular Hexagon Nut 3251296 is suitable for the QSM11 CM570 engine, which is known for its advanced technology and performance.

QST30 Engine

• QST30 CM552

This nut fits the QST30 CM552 engine, which is designed for high-performance applications.

QSV Engines

• QSV81G
• QSV91G

The Regular Hexagon Nut 3251296 is also compatible with the QSV81G and QSV91G engines, which are known for their power and efficiency.

V903 Engine

• V903

Lastly, this nut is suitable for the V903 engine, which is designed for heavy-duty applications and offers high performance and reliability.

The Cummins Regular Hexagon Nut 3251296 is a reliable and versatile component that ensures secure fastening across a wide range of Cummins engines, making it an essential part for maintenance and repair.

Role of Part 3251296 Regular Hexagon Nut in Engine Systems

The Part 3251296 Regular Hexagon Nut is instrumental in securing various components within engine systems, ensuring stability and efficient operation.

Alternator and Compressor Systems

In alternator systems, this nut is used in the alternator link mounting to firmly attach the alternator to its designated location. This secure attachment is vital for the alternator’s stable operation and efficient power generation. Similarly, in compressor systems, especially those involving refrigerant, the nut plays a role in the refrigerant compressor bracket, ensuring the compressor remains fixed and operates without undue movement.

Engine and Support Structures

For the engine to skid mounting, the Part 3251296 nut is employed to fasten the engine securely to the skid, which is essential for maintaining alignment and reducing vibrations during operation. In the front motor support, it helps in attaching the isolator, which mitigates vibration and ensures smooth engine performance.

Fuel and Plumbing Systems

Within the plumbing of the fuel supply system, this nut is used in the rail and base connections, guaranteeing a leak-free and stable fuel delivery to the engine. Its application in these areas is key to maintaining the integrity of the fuel supply system.

Additional Applications

The nut is also significant in the mounting of auxiliary pumps, ensuring they are securely fixed for reliable operation. In the crankshaft seal replacer and piston assembly replacer, it aids in maintaining the structural integrity of these components, which is essential for the engine’s overall performance.

Furthermore, in throttle valve systems, the nut is used in support and accessory mounts, contributing to the precise control of air intake and, consequently, engine performance.

Overall, the Part 3251296 Regular Hexagon Nut is a fundamental component in various engine systems, playing a key role in securing and stabilizing critical parts for optimal engine function.

Conclusion

The 3251296 Regular Hexagon Nut by Cummins is a critical component in the maintenance and operation of commercial trucks. Its design, durability, and compatibility with various Cummins engines make it an essential part for ensuring secure fastening and reliable performance in heavy-duty applications. Proper installation, regular maintenance, and understanding its role in different engine systems are key to maximizing its benefits and ensuring the longevity and efficiency of truck operations.