The GRACO 112904 is a lock washer, specifically a spring lock washer, made from 304 stainless steel. It is designed to secure fasteners and prevent loosening due to vibration or movement within GRACO equipment, such as pump supports and related assemblies.

Key Features:

• Spring lock washer
• 5/16''
• 304 stainless steel
• Compatible with GRACO pump supports and assemblies using 5/16'' fasteners
• Prevents fastener loosening due to vibration
• Durable stainless steel construction for corrosion resistance
• Reliable performance in demanding industrial environments

Applications:
Used in GRACO pump support assemblies and other equipment requiring secure fastening of 5/16'' bolts or screws.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability, reducing downtime and maintenance costs.
• Always use the correct size and type of lock washer for the fastener
• Ensure the washer is seated properly before tightening the fastener
• Inspect washers for wear or damage during routine maintenance