5263462
Twelve Point Nut
Cummins®

The Twelve Point Nut, identified by Part #5263462 and manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the automotive industry, produces this nut to meet the demanding requirements of heavy-duty truck operations. The significance of the 5263462 Twelve Point Nut lies in its ability to provide secure fastening in environments where traditional hex nuts may fall short ¹.

Basic Concepts of Twelve Point Nuts

A twelve point nut is a type of fastener characterized by its twelve-sided polygon shape, which offers several advantages over traditional hex nuts. This design allows for a tighter fit on bolts, reducing the likelihood of rounding off the corners during tightening or removal. Additionally, twelve point nuts provide a greater contact area, which can enhance torque application and reduce the risk of loosening under vibration, a common issue in commercial truck operations ².

Role of the 5263462 Twelve Point Nut in Truck Operation

The 5263462 Twelve Point Nut plays a specific role in the assembly and functionality of commercial trucks. It is utilized in critical applications where secure fastening is paramount, such as in engine components, transmission systems, and chassis assemblies. By providing a reliable fastening solution, this nut contributes to the overall integrity and performance of the truck, ensuring that components remain securely attached under various operating conditions ³.

Key Features

The 5263462 Twelve Point Nut is distinguished by several key features. Its twelve-sided design allows for more precise tightening and removal compared to traditional hex nuts. The nut is crafted from high-strength materials, ensuring durability and resistance to wear. Additionally, its design may include features such as a locking mechanism to prevent loosening, further enhancing its reliability in heavy-duty applications.

Benefits

The 5263462 Twelve Point Nut offers several benefits that make it suitable for commercial truck applications. Its design enhances durability, allowing it to withstand the rigors of heavy-duty use. Improved torque application ensures that components are securely fastened, reducing the risk of failure. Furthermore, its resistance to loosening under vibration contributes to the overall safety and reliability of the truck.

Troubleshooting and Maintenance

To ensure the longevity and performance of the 5263462 Twelve Point Nut, regular maintenance and troubleshooting practices are recommended. Inspecting the nut for signs of wear or damage can help identify potential issues before they lead to failure. Additionally, ensuring that the nut is properly torqued during installation can prevent loosening and maintain secure fastening. In cases where the nut shows signs of rounding or damage, replacement may be necessary to maintain the integrity of the fastening system.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry.

Cummins Engine Compatibility with Twelve Point Nut Part 5263462

The Twelve Point Nut part number 5263462, manufactured by Cummins, is a critical component used across a variety of their engine models. This part is designed to ensure secure fastening and stability, which is essential for the operational integrity of the engines. Below is a detailed overview of the engine models that utilize this specific nut.

B6.7 Series Engines

• B6.7 CM2670
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• QSB6.7 CM2350 B105

The B6.7 series engines, known for their robust performance and reliability, incorporate the Twelve Point Nut part 5263462 in several critical applications. This ensures that components remain tightly fastened, reducing the risk of loosening under operational stresses.

F3.8 Series Engines

• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• ISF3.8 CM2350 F109
• QSF3.8 CM2350 F107
• QSF3.8 CM2880 F112

The F3.8 series engines also benefit from the use of the Twelve Point Nut part 5263462. This part is integral in maintaining the structural integrity of these engines, ensuring that various components are securely fastened and aligned.

F4.5 Series Engines

• F4.5 CM2620 F139B
• F4.5 CM2620 F141C

The F4.5 series engines utilize the Twelve Point Nut part 5263462 in several key areas. This ensures that the engine components are held firmly in place, contributing to the overall reliability and performance of the engine.

ISB6.7 G Series Engines

• ISB6.7 G CM2180 B118

The ISB6.7 G series engine incorporates the Twelve Point Nut part 5263462, ensuring that the engine’s components are securely fastened and aligned.

ISC8.3 Series Engines

• ISC8.3 CM2250

The ISC8.3 series engine uses the Twelve Point Nut part 5263462 to maintain the structural integrity of the engine, ensuring that components remain securely fastened.

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines utilize the Twelve Point Nut part 5263462 in various applications. This ensures that the engine components are held securely, contributing to the engine’s overall performance and reliability.

ISG12 Series Engines

• ISG12 CM2880 G107

The ISG12 series engine incorporates the Twelve Point Nut part 5263462, ensuring that the engine’s components are securely fastened and aligned.

QSB4.5 Series Engines

• QSB4.5 CM2250 EC

The QSB4.5 series engine uses the Twelve Point Nut part 5263462 to maintain the structural integrity of the engine, ensuring that components remain securely fastened.

QSC9 and QSL9 Series Engines

• QSC9 CM2250/QSL9 CM2250
• QSL9 CM2250
• QSL9 CM2350 L102

The QSC9 and QSL9 series engines utilize the Twelve Point Nut part 5263462 in various applications. This ensures that the engine components are securely fastened and aligned.

QSG12/X12 Series Engines

• QSG12/X12 CM2350 G110

The QSG12/X12 series engine incorporates the Twelve Point Nut part 5263462, ensuring that the engine’s components are securely fastened and aligned.

The Twelve Point Nut part 5263462 is a versatile and essential component across many Cummins engine models, ensuring that the engines operate reliably and efficiently.

Role of Part 5263462 Twelve Point Nut in Various Engine Components

Hardware Kit

In a hardware kit, the Twelve Point Nut (part 5263462) is often utilized for its robust fastening capabilities. It ensures secure connections between various components, providing stability and reliability. Its design allows for efficient tightening and loosening, which is essential during assembly and maintenance procedures.

Mounting

When it comes to mounting engine components, the Twelve Point Nut plays a significant role. It is used to fasten brackets, plates, and other mounting hardware securely to the engine block or chassis. This ensures that the mounted components remain in place under various operating conditions, contributing to the overall structural integrity of the engine system.

Aftertreatment

In aftertreatment systems, which include components like diesel particulate filters (DPF) and selective catalytic reduction (SCR) systems, the Twelve Point Nut is employed to secure various connections. It helps maintain the integrity of the exhaust system, ensuring that emissions are properly managed and that the aftertreatment components function efficiently.

Turbocharger

The turbocharger relies on precise and secure fastening to operate effectively. The Twelve Point Nut is used in turbocharger assemblies to connect the turbine housing to the compressor housing. This ensures that the turbocharger can withstand high pressures and temperatures, contributing to its durability and performance.

Turbocharger Gasket Kit

In a turbocharger gasket kit, the Twelve Point Nut is essential for sealing connections between the turbocharger and the engine. It helps maintain the integrity of the gaskets by providing a secure and consistent clamping force. This is vital for preventing leaks and ensuring that the turbocharger operates within specified parameters.

Turbocharger Kit

A comprehensive turbocharger kit often includes various components that require secure fastening. The Twelve Point Nut is used throughout the kit to ensure that all parts are properly connected. This includes mounting the turbocharger to the engine, securing gaskets, and attaching additional components like wastegates and intercoolers. Its use ensures that the turbocharger kit is installed correctly and functions as intended.

Conclusion

The 5263462 Twelve Point Nut is a critical component in the operation and maintenance of Cummins engines, providing secure fastening across a variety of applications. Its unique design and robust features make it an essential part for ensuring the reliability and performance of heavy-duty truck engines.