The GRACO 133103 is a lock washer with external teeth, designed for use in GRACO equipment to secure fasteners and prevent loosening under vibration. The material is not specified, but lock washers of this type are typically made from hardened steel. Its intended use is to provide reliable locking action for M8 fasteners in various GRACO spray equipment assemblies.

Key Features:

• Lock washer, external tooth
• M8
• GRACO Powerfill 3.5 and other compatible GRACO equipment
• External tooth design for enhanced grip and vibration resistance
• Reliable locking action for M8 fasteners
• Durable construction for repeated use

Applications:
Used in GRACO Powerfill 3.5 and other compatible spray equipment to secure fasteners and prevent loosening due to vibration or movement.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and equipment reliability.
• Ensure the washer is placed between the nut/bolt head and the mating surface.
• Tighten fasteners to the recommended torque for the application.
• Inspect washers for wear or damage before installation and replace if necessary.