The GRACO 116969 Nut, Lock is a small, essential hardware component designed to secure and fasten parts within GRACO equipment. It is typically made from metal with a nylon insert for vibration resistance. Its primary function is to prevent loosening of threaded connections in GRACO line marking machines and other compatible equipment.

Key Features:

• Lock nut
• Metal with nylon insert
• GRACO GH Series, LineLazer IV, LineLazer V, and other compatible GRACO equipment
• Vibration resistance due to nylon insert
• Reliable fastening for critical connections
• Easy to install and maintain

Applications:
Used in GRACO line marking machines and other compatible equipment to secure threaded connections and prevent loosening during operation.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety, reducing the risk of equipment failure or downtime.
• Ensure threads are clean and undamaged before installation
• Hand-tighten the nut, then use appropriate tools to secure without over-torquing
• Check for proper seating and resistance to vibration
• Regularly inspect for wear or damage
• Replace if nylon insert is worn or damaged
• Use only genuine GRACO replacement parts for best results