The GRACO 115651 is a hex acorn nut, typically made from metal, designed for secure fastening in various GRACO equipment assemblies. Its primary function is to provide a finished, protective, and vibration-resistant connection point in industrial and automotive applications.

Key Features:

• Hex Acorn Nut
• 5/16-18
• Compatible with GRACO equipment requiring a 5/16-18 threaded fastener, including pressure washers, airless sprayers, and industrial coating systems
• Acorn shape provides a finished, protective end
• Hex design for easy installation with standard tools
• Reliable fastening for vibration-prone environments
• Durable construction for industrial use

Applications:
Used in automotive, aerospace, industrial painting, and coating systems. Commonly found in GRACO pressure washers, airless sprayers, and other industrial equipment.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and safety in critical equipment assemblies.
• Use appropriate tools to avoid over-tightening
• Ensure threads are clean and undamaged before installation
• Inspect nut for wear or damage before reuse
• Follow equipment-specific torque specifications if available
• Regularly inspect for loosening or wear
• Replace if damaged or stripped
• Keep threads clean and free of debris