The GRACO 103739 is an internal lock washer designed for use in GRACO industrial equipment. It is a small, flat, circular component typically made from metal, intended to prevent fasteners from loosening due to vibration or torque within GRACO machinery.

Key Features:

• Internal Lock Washer
• Designed for use with GRACO industrial equipment; specific models not listed
• Prevents loosening of fasteners, enhances equipment reliability, simple and robust design

Applications:
Used in GRACO industrial equipment to secure fasteners and prevent loosening due to vibration or torque.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability, reducing the risk of equipment failure.
• Place the lock washer between the fastener and the mounting surface. Ensure the washer is seated flat and the fastener is tightened to the recommended torque. Inspect regularly for wear or deformation.
• Always use the correct size and type of washer for the application. Replace washers if they show signs of wear or damage. Follow GRACO equipment maintenance guidelines.