The GRACO 515716 U-Cup Packing is a replacement sealing component designed for use in GRACO Husky 515 and 716 diaphragm pumps. It is typically made from durable elastomeric material and functions as a critical seal to prevent fluid leakage and maintain pump efficiency.

Key Features:

• U-Cup Packing
• 515716 (also referenced as 108808)
• GRACO Husky 515 and 716 diaphragm pumps
• Designed for easy replacement and maintenance
• Critical for reliable pump operation and leak prevention
• Standardized fit for Husky 515 and 716 models

Applications:
Used as a replacement packing/seal in GRACO Husky 515 and 716 diaphragm pumps, commonly found in industrial, agricultural, and maintenance applications for fluid transfer and spray systems.

Installation Notes:

• Using genuine GRACO U-Cup Packing ensures proper fit, optimal sealing, and reliable pump performance, reducing downtime and maintenance costs.
• Ensure the lips of the U-Cup packing face toward the clip end (smaller end) of the carriage plunger during installation.
• Slide carriage plungers into bores with clip ends facing toward the center of the center housing.
• Grease carriage pins and o-rings as recommended in the manual.
• Torque the cover to 80–100 in-lb (9.0–13.6 N-m) after installation.