The GRACO 171885 washer is a back-up washer, typically made from acetal, designed to provide support and load distribution in GRACO equipment assemblies. It is used to ensure proper fit, prevent fastener damage, and maintain assembly integrity, especially in high-pressure fluid regulator systems.

Key Features:

• Back-up washer
• Acetal (as referenced in similar GRACO regulator documentation)
• Compatible with GRACO high-pressure fluid regulators and related equipment
• Provides support and load distribution
• Helps prevent fastener damage
• Maintains assembly integrity

Applications:
Used in GRACO high-pressure fluid regulator assemblies and other equipment where back-up support for fasteners is required.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of equipment.
• Ensure correct orientation and placement during assembly
• Follow recommended torque specifications for related fasteners
• Regularly inspect washers for wear or damage and replace as needed