The GRACO 556639 is a brass male tube elbow fitting designed for connecting 5/16 inch (7.94 mm) tubing to a 1/8 inch (3.2 mm) NPTF threaded port. It is intended for use with pneumatic grease jockey systems, primarily in on-road vehicle lubrication applications.

Key Features:

• Elbow
• 5/16 in. (7.94 mm) Tube x 1/8 in. (3.2 mm) NPTF
• Brass
• Oil, Grease; On-Road Vehicles
• Durable brass construction for longevity
• Male tube and threaded connections for secure attachment
• Designed for use with pneumatic grease jockey systems

Applications:
Used in on-road vehicle lubrication systems, specifically for connecting tubing to threaded ports in pneumatic grease jockey setups.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance within GRACO equipment.
• Ensure proper alignment of tube and threaded connections before tightening
• Use appropriate tools to avoid damaging brass threads
• Check for leaks after installation
• Regularly inspect for wear or damage
• Replace if signs of leakage or thread damage are present