The GRACO 556638 is a brass male tube elbow fitting designed to connect 3/16 inch (4.8 mm) tubing to a 1/8 inch (3.2 mm) NPTF threaded port. It is intended for use with oil and grease in on-road vehicle lubrication systems, particularly as part of Grease Jockey Systems.

Key Features:

• Elbow
• 3/16 inch (4.8 mm) tube x 1/8 inch (3.2 mm) NPTF
• Brass
• Oil, Grease; For use with all Grease Jockey Systems
• Durable brass construction for reliability
• Male threaded connection for secure installation
• Elbow design for flexible routing in tight spaces

Applications:
On-road vehicle lubrication systems; compatible with all Grease Jockey Systems for oil and grease delivery

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability in lubrication systems, reducing the risk of leaks and system failures.
• Ensure tubing is cut cleanly and inserted fully into the fitting
• Use appropriate tools to tighten the threaded connection without over-torquing
• Inspect for leaks after installation and during routine maintenance