Dewalt 5140161-69 Self Lock Nut

Product Description

The DEWALT 5140161-69 is a self-locking nut designed as a genuine OEM replacement fastener for DEWALT power tools. Self-locking nuts use an integrated locking mechanism to resist loosening caused by vibration and torque, making them a critical fastener in high-cycle power tool applications. This part is sourced directly from DEWALT and is intended to restore factory-spec hardware to tools that have seen wear or damage at the fastener level. Installation requires only basic hand tools in most applications.

This self-locking nut is used in DEWALT power tool assembly and repair. It is typically installed by service technicians, authorized repair centers, or experienced tradespeople performing component-level repairs on DEWALT tools. The locking feature is essential in applications where repeated vibration could cause a standard nut to back off over time, compromising tool integrity and operator safety.

Key Features

• Genuine OEM DEWALT replacement fastener
• Self-locking design resists loosening under vibration and operational torque
• Direct factory-spec fit for applicable DEWALT power tools
• Suitable for component-level tool repair and maintenance

Compatibility

Designed as an OEM replacement self-locking nut for applicable DEWALT power tools. Refer to the specific tool service manual or parts diagram to confirm fitment before ordering.

Installation Notes

Power down and unplug the tool completely before beginning any fastener-level repair. Basic hand tools are typically sufficient for installation. Follow the tool manufacturer service documentation for proper assembly sequence and fastener seating. Do not reuse a damaged or deformed self-locking nut, as the locking element may not function correctly after distortion.

Technical Specifications

• Type: Self Lock Nut

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: 5140161-69