The GRACO 556646 is a brass male connector designed to join a 5/16 inch (7.94 mm) tube to a 1/4 inch (6.35 mm) NPTF threaded connection. It is intended for use with pneumatic grease jockey systems and is compatible with both oil and grease, making it suitable for on-road vehicle lubrication applications.

Key Features:

• Connector
• 5/16 inch (7.94 mm) tube x 1/4 inch (6.35 mm) NPTF
• Brass
• Oil, Grease
• Brass construction for durability and corrosion resistance
• Threaded and tube end connection for secure fit
• Designed for use with pneumatic grease jockey systems

Applications:
On-road vehicle lubrication systems, specifically for pneumatic grease jockey systems

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance within GRACO lubrication systems.
• Ensure tube and threaded connections are clean and free of debris before installation
• Use appropriate tools to tighten connections to avoid leaks
• Regularly inspect for wear or damage and replace as needed