The GRACO 510221 is a stainless steel hex nut designed for secure fastening in GRACO equipment. It is intended for use in assemblies requiring corrosion resistance and high strength, commonly found in lubrication and fluid handling systems.

Key Features:

• Hex Nut
• 7/8-9
• Stainless Steel
• Compatible with GRACO equipment requiring 7/8-9 thread fasteners
• Corrosion-resistant material for durability in harsh environments
• Standard hex design for easy installation and removal
• Reliable fastening for critical assemblies

Applications:
Used in GRACO lubrication systems, fluid transfer equipment, and other assemblies where secure, corrosion-resistant fastening is required.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of equipment.
• Ensure threads are clean and undamaged before installation
• Use appropriate torque specifications for stainless steel fasteners
• Inspect for proper seating and tightness after installation
• Regularly check for signs of wear or corrosion during maintenance