The GRACO 115322 is an external lock washer measuring 4mm in diameter. It is a standard hardware component used to secure fasteners and prevent loosening due to vibration or movement within GRACO equipment. The material is not specified in available documentation, but lock washers of this type are typically made from hardened steel.

Key Features:

• Lock washer, external
• 4mm
• Compatible with GRACO equipment requiring a 4mm external lock washer, such as ProMix II and Reactor E-30i/E-XP2i systems
• Prevents fastener loosening, standard industrial design, easy to install and replace

Applications:
Used in GRACO fluid handling and dispensing equipment, including ProMix II and Reactor E-30i/E-XP2i systems, to secure components and maintain equipment integrity.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and safety within GRACO equipment.
• Place the lock washer between the fastener head and the surface to be secured. Ensure the washer is seated flat and the fastener is tightened to the recommended torque. Regularly inspect for wear or damage and replace as needed.
• Always use the correct size and type of lock washer for the application. Follow GRACO equipment manuals for specific installation instructions.