The GRACO 188263 is a valve seat nut made from 17-4 PH stainless steel, designed for use in GRACO spray equipment to secure the valve seat within the gun body, ensuring proper sealing and reliable operation during fluid application.

Key Features:

• Valve Seat Nut
• 17-4 PH Stainless Steel
• Durable stainless steel construction for corrosion resistance
• Designed for secure valve seat retention
• Supports reliable sealing and long service life

Applications:
Used in GRACO spray equipment for fluid application in industrial, automotive, and maintenance settings.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, sealing, and equipment reliability, reducing the risk of leaks and downtime.
• Torque the valve seat nut to manufacturer specifications (for similar GRACO models, torque values range from 70–125 in-lbs depending on the model)
• Ensure the valve seat is clean and properly seated before tightening
• Inspect for wear or damage before installation
• Regularly inspect the valve seat nut for signs of wear or corrosion
• Replace if damaged or if leaks are detected
• Follow GRACO equipment maintenance schedules