The GRACO 558189 is a brass compression nut designed for use with Thrif-T Luber pumps. It serves as a critical hardware component for connecting and securing lubrication lines within GRACO’s Thrif-T Luber low-pressure lubrication systems.

Key Features:

• Hex Nut
• TLCN-00, 5/32" tube compression nut
• Brass
• For use with Thrif-T Luber pumps and associated lubrication lines
• Robust brass construction for durability
• Hex nut design for easy installation and removal
• Precise fit for 5/32" (0.3125 in / 7.9375 mm) inside diameter tubing
• Imperial measurement system
• Thread size: 24

Applications:
Used in GRACO Thrif-T Luber low-pressure lubrication systems for reliable and secure connection of lubrication lines to pumps and distribution points.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, leak-free operation, and system reliability.
• Ensure tubing is cut cleanly and squarely before installation
• Hand-tighten the compression nut to avoid over-torquing and potential damage
• Check for leaks after installation and during routine maintenance
• Replace worn or damaged nuts to maintain system integrity