The GRACO 166037 is a jam nut, a type of fastener used to secure components within GRACO airless spray pump assemblies. Its material is not specified in available documentation, but jam nuts are typically made from steel or brass. It is intended to lock connecting rods or similar parts in place, preventing loosening during operation.

Key Features:

• Jam Nut
• Used in GRACO PRESIDENT® 10:1 Airless Spray Pump assemblies (see documentation for specific models)
• Secures connecting rod or similar components
• Prevents loosening during operation
• Essential for maintaining assembly integrity

Applications:
Used in GRACO airless spray pump assemblies, particularly in the PRESIDENT® 10:1 Airless Spray Pump, to secure connecting rods and maintain equipment reliability.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety within the equipment assembly.
• Ensure the nut is tightened to the manufacturer’s recommended torque
• Inspect for wear or damage before installation
• Use appropriate tools to avoid stripping threads
• Regularly check for loosening during maintenance intervals
• Replace if damaged or worn