The GRACO 166221 is a nitrile rubber O-ring designed as a packing component for use in GRACO industrial equipment. Its primary function is to provide a reliable seal within pumps and related systems, preventing leaks and ensuring efficient operation.

Key Features:

• O-Ring
• 166221
• Nitrile rubber
• Compatible with various GRACO pump models and industrial equipment
• Reliable sealing performance
• Durable nitrile rubber construction
• Ease of replacement and maintenance

Applications:
Used as a packing seal in GRACO pumps and industrial equipment to prevent leaks and maintain system integrity.

Installation Notes:

• Using genuine GRACO O-rings ensures proper fit, performance, and longevity of the equipment.
• Ensure the O-ring is clean and free from debris before installation.
• Lubricate the O-ring with compatible lubricant if recommended by the equipment manual.
• Inspect the O-ring for damage or wear during routine maintenance.
• Replace the O-ring if it shows signs of deterioration or leakage.