The GRACO 121138 Packing O-Ring is a sealing component designed for use in GRACO spray foam and spray application equipment. It is typically made from elastomeric material (specific material not specified) and is intended to prevent leaks and maintain pressure within the equipment by sealing moving parts.

Key Features:

• Packing O-Ring
• 121138
• Designed for GRACO spray foam and spray application equipment
• Compact size for easy installation and replacement
• Reliable sealing performance
• Lightweight construction

Applications:
Used in GRACO spray foam and spray application systems to seal moving parts and prevent leaks.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of the equipment.
• Ensure equipment is depressurized before installation
• Inspect o-ring for damage or wear before installation
• Lubricate o-ring with compatible lubricant if recommended by the manufacturer
• Follow equipment manual for specific installation instructions