The GRACO 556648 is a brass union fitting designed for connecting 5/16 inch (7.9 mm) tubes in pneumatic grease jockey systems. It is intended for use with oil and grease in on-road vehicle applications.
Key Features:
Union
5/16 inch (7.9 mm) tube
Brass
Oil, grease; for use with 5/16 inch (7.9 mm) tube
Brass construction for durability and corrosion resistance
Designed for reliable connection in pneumatic grease systems
Suitable for on-road vehicle service
Applications: Used in pneumatic grease jockey systems for on-road vehicles to facilitate the transfer of oil and grease.
Installation Notes:
Using genuine GRACO parts ensures compatibility, reliability, and optimal performance within lubrication systems.
Ensure tube ends are clean and free from debris before installation
Hand-tighten the union fitting and use appropriate tools to avoid over-tightening
Inspect for leaks after installation
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