The GRACO 556540 is a replacement O-ring made from Buna-N (Nitrile) rubber, designed for use with Trabon® MSP Divider Valves. It serves as a sealing component within the valve assembly, ensuring leak-free operation and reliable performance in lubrication systems.

Key Features:

• O-ring
• -006 BUNA-N 70 DURO
• Buna-N (Nitrile) rubber, Black
• Trabon® MSP Divider Valves
• Durable Buna-N material for oil and grease resistance
• Standard size for easy replacement
• Reliable sealing for critical lubrication applications

Applications:
Used in lubrication systems for on-road vehicles, off-road equipment, and in-plant machinery where Trabon® MSP Divider Valves are installed.

Installation Notes:

• Using genuine GRACO O-rings ensures proper fit, seal integrity, and long-term reliability of the divider valve assembly.
• Inspect the O-ring for damage before installation
• Ensure the sealing surfaces are clean and free of debris
• Lubricate the O-ring with compatible grease or oil for easier installation and to prevent tearing
• Replace O-rings during routine maintenance or whenever leaks are detected