Ryobi 412042702 Lock Washer 1/4 Inch

Product Description

The RYOBI 412042702 is a 1/4-inch lock washer designed as a genuine OEM replacement fastener component for RYOBI outdoor power equipment and lawn and garden tools. Lock washers prevent fastener loosening caused by vibration and torque, making them a critical hardware element in rotating and high-vibration assemblies. This part is installed by service technicians and knowledgeable equipment operators performing fastener replacement or hardware maintenance on RYOBI equipment. Its compact size and standard 1/4-inch designation make it a straightforward drop-in replacement during routine repairs.

This lock washer is used in RYOBI lawn and garden equipment applications where vibration-resistant fastening is required. Typical install scenarios include blade assemblies, deck hardware, engine mounts, and other locations where a standard 1/4-inch threaded fastener is used and a locking element is required to maintain clamp load over time.

Key Features

• 1/4-inch nominal size for use with standard 1/4-inch fasteners
• OEM replacement part sourced directly from RYOBI
• Helical split design provides spring tension to resist loosening under vibration
• Suitable for lawn and garden equipment hardware assemblies

Compatibility

Designed as an OEM-style replacement lock washer for RYOBI lawn and garden power equipment requiring a 1/4-inch locking fastener component.

Installation Notes

Installation is typically performed by equipment service technicians or experienced operators. Disconnect the spark plug wire and ensure all power sources are disabled before disassembling any fastener hardware. Position the lock washer between the fastener head or nut and the mating surface before torquing the fastener. Follow RYOBI equipment service documentation for proper assembly sequence and fastener specifications.

Technical Specifications

• Size: 1/4 inch
• Type: Lock Washer

Standard Information

• Brand: RYOBI
• Manufacturer Part Number: 412042702