Dewalt 490900-00 Flat Washer 1/4 Inch

Product Description

The DEWALT 490900-00 is a flat washer designed as a replacement component for DEWALT power tools and accessories. With a 1/4-inch nominal size, an outer diameter of 16 millimeters, and a thickness of 1.6 millimeters, this washer provides a bearing surface that distributes fastener load and reduces wear on mating components. It is a direct OEM replacement part sourced from DEWALT, intended for use during servicing or repair of compatible power tool assemblies. Installation is typically performed by service technicians or experienced tradespeople performing tool maintenance.

This flat washer is used within DEWALT power tool assemblies where load distribution, spacing, or surface protection is required at a 1/4-inch fastener location. It is commonly installed during disassembly and reassembly of tool housings, gearboxes, or drive assemblies as part of a scheduled service or breakdown repair. Sourcing OEM replacement hardware ensures dimensional accuracy and proper fit within the original assembly.

Key Features

• OEM DEWALT replacement flat washer for power tool service and repair
• 1/4-inch nominal fastener size
• Outer diameter of 16 millimeters for adequate load-bearing surface
• Thickness of 1.6 millimeters for consistent spacing and fit
• Direct factory replacement part — no modification required

Compatibility

Designed as an OEM-style replacement flat washer for compatible DEWALT power tools and accessories requiring a 1/4-inch hardware component at this specification.

Installation Notes

Installation should be performed by a qualified service technician familiar with power tool disassembly procedures. Disconnect and de-energize the tool completely before beginning any service work. Use appropriate hand tools and follow DEWALT service documentation for the specific tool model being repaired. Inspect surrounding fasteners and mating surfaces for wear before reinstalling.

Technical Specifications

• Nominal Size: 1/4 inch
• Outer Diameter: 16 millimeters
• Thickness: 1.6 millimeters

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: 490900-00