The GRACO 25U876 is a square key measuring 3/16 x 1.125 inches, typically made from steel or a similar durable metal. It is designed to fit into keyways of shafts and couplers in GRACO equipment, ensuring proper alignment and torque transmission between rotating components.

Key Features:

• Square key
• 3/16 x 1.125 inches
• Compatible with GRACO equipment requiring a 3/16 x 1.125 inch square key
• Precision fit for secure shaft-coupler alignment
• Durable construction for reliable operation
• Ease of installation and replacement

Applications:
Used in GRACO spray equipment and compressors to align and secure rotating shafts and couplers, ensuring efficient power transmission and equipment reliability.

Installation Notes:

• Using a genuine GRACO key ensures proper fit, alignment, and equipment safety, reducing the risk of mechanical failure.
• Ensure the keyway on the shaft and coupler is clean and free of debris before installation.
• Align the keyway on the coupler shaft with the keyway in the coupler.
• Insert the key into the keyway and slide the coupler onto the shaft, ensuring the key remains in place.
• Tighten mounting hardware as specified in the equipment manual.
• Regularly inspect the key and keyway for wear or damage during maintenance.