The GRACO 131970 is a plug designed for 4mm fittings, typically used to seal or close off unused ports in automatic lubrication systems. Its material is not specified, but GRACO fittings are generally constructed from durable materials to withstand harsh environments and various lubricants. This plug is intended for use within GRACO automatic lubrication equipment to ensure system integrity and prevent contamination.

Key Features:

• Plug
• 4mm Fitting
• Compatible with GRACO automatic lubrication systems using 4mm fittings
• Designed for reliable sealing of unused ports
• Easy to install and remove
• Durable construction for long service life

Applications:
Used in automatic lubrication systems for vehicles and industrial equipment to seal unused ports and maintain system cleanliness.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, seal, and system reliability, reducing the risk of leaks and contamination.
• Ensure the system is depressurized before installation
• Clean the port before inserting the plug
• Hand-tighten the plug to avoid over-torquing and potential damage
• Regularly inspect plugs for wear or damage
• Replace plugs if they show signs of deterioration
• Keep spare plugs on hand for quick replacement