The GRACO 171163 is a plain washer, which is a flat, circular disk with a hole in the center designed to fit over a bolt or screw. It is typically used within GRACO equipment to distribute load, prevent loosening, or provide a smooth bearing surface. The material is not specified in available sources.

Key Features:

• Plain washer
• Flat, circular disk with central hole
• Simple, reliable design for load distribution and fastening security

Applications:
Used in GRACO equipment assemblies where a flat washer is required to distribute load or prevent fastener loosening.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability within GRACO equipment.
• Place washer between the fastener head and the surface to be secured
• Ensure washer is clean and free from burrs before installation
• Tighten fastener to recommended torque for optimal performance
• Inspect washers during routine maintenance for wear or deformation
• Replace washers if damaged or if fastener security is compromised