The GRACO 132981 is a thumb screw, typically made of metal, designed for manual fastening and securing components within GRACO equipment such as sprayers and pumps. Its primary function is to provide a tool-free, hand-tightened fastening solution for covers or panels, ensuring quick access and secure closure.

Key Features:

• Thumb screw
• 5/16-18 UNC
• Compatible with GRACO Powerfill 3.5 models (e.g., 26B417, 26B418, 26B419) and other equipment requiring a 5/16-18 UNC thumb screw
• Tool-free, hand-tightened operation
• Designed for ease of maintenance and quick access
• Reliable fastening for covers and panels

Applications:
Used in GRACO sprayers and pumps, particularly for securing covers or panels that require frequent access for maintenance or inspection.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety within GRACO equipment.
• Hand-tighten the thumb screw to secure covers or panels; avoid over-tightening to prevent thread damage
• Ensure the screw is fully engaged and the cover is properly seated before operation
• Regularly inspect the thumb screw for wear or damage and replace if necessary
• Periodically check the thumb screw for tightness and integrity
• Clean threads as needed to prevent binding or corrosion
• Replace with a genuine GRACO part if damaged or lost