Cummins Plain Washer S640-20 CCEC – Stable fastening support for reliable assemblies

The Cummins Plain Washer S640-20 CCEC is designed to support secure fastening by spreading load evenly across joined surfaces. As part of the Cummins parts range, this washer helps protect components from damage caused by vibration, torque, and repeated tightening. In addition, it follows Cummins genuine paers standards and CCEC parts manufacturing requirements, which ensures correct fit and dependable performance. Although simple in design, this washer plays an important role in maintaining stable assemblies. Technicians often use it during engine assembly, component replacement, and routine service work. At the same time, proper load distribution helps extend the service life of bolts, nuts, and connected parts.

🔩 Specifications

• Part number: S640-20

• Product type: Plain washer

• Brand compatibility: Cummins engines

• System location: Engine and auxiliary component assemblies

• Primary function: Load distribution and surface protection

• Manufacturing reference: CCEC parts standards

• Quality level: Cummins genuine paers compliant

⭐ Key Features

First, this plain washer spreads clamping force evenly, which reduces stress on fastened surfaces. In addition, it helps prevent bolt heads and nuts from damaging mating parts. Moreover, its durable material resists wear during long-term use. As a result, fastening points remain stable even under vibration. Also, the simple flat design allows easy installation with standard tools. Because it belongs to trusted Cummins parts and CCEC parts, users can rely on consistent quality across service cycles.

⚙️ Technical Insights

The Cummins Plain Washer S640-20 CCEC works by creating a smooth contact surface between fasteners and components. Therefore, it improves load balance and reduces the risk of loosening. At the same time, it protects softer materials from deformation during tightening. When technicians install new washers, fastening stability improves immediately. Consequently, assembly reliability and overall system durability increase. Since it follows Cummins genuine paers and CCEC parts design rules, it fits original fasteners without adjustment.

🛠 Application Scenarios

This plain washer is widely used in industrial engines, generator sets, and heavy-duty equipment. For example, it supports brackets, covers, and mounted components that experience vibration and frequent service. Likewise, it fits maintenance tasks where bolts and nuts are removed and reinstalled. Service teams rely on Cummins parts like this washer to maintain proper fastening and reduce the risk of joint failure. Across these applications, CCEC parts help ensure stable assemblies and consistent engine performance.

📦 Availability

This plain washer is in stock and available for global shipping. To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team is ready to assist with verification and confirm compatibility with Cummins genuine paers and CCEC parts before shipment.