The GRACO 15K031 is a nut packing component designed for use in GRACO Xtreme Lowers for 220cc, 250cc, and 290cc wet cup models. It is a critical sealing and fastening part, typically made from durable metal, intended to secure and seal packing stacks within the pump assembly, ensuring reliable fluid containment and preventing leaks.

Key Features:

• Nut, Packing
• 220cc, 250cc, 290cc
• GRACO Xtreme Lowers for 220cc, 250cc, and 290cc wet cup models
• Essential for maintaining seal integrity in pump assemblies
• Designed for easy replacement as part of routine maintenance
• Supports reliable operation and leak prevention

Applications:
Used in GRACO Xtreme Lowers for fluid transfer and spray equipment, particularly in industrial and maintenance applications where reliable sealing is required.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and longevity of the equipment. Non-genuine parts may compromise seal integrity and equipment reliability.
• Always follow the torque specifications provided in the GRACO manual (for 220cc, 250cc, and 290cc lowers, torque to 190-210 ft-lb (258-285 N•m)).
• Inspect packing and related components during installation for wear or damage.
• Use appropriate tools to avoid over-tightening or damaging the nut or surrounding components.