The GRACO 157021 is a lock washer designed to secure fasteners in place, preventing loosening due to vibration or movement. It is typically made from durable metal and is used within various GRACO equipment assemblies to ensure reliable and safe operation.

Key Features:

• Lock washer
• Compatible with GRACO equipment requiring lock washers for secure fastening
• Prevents fastener loosening due to vibration
• Durable construction for repeated use
• Standardized sizing for easy replacement

Applications:
Used in the assembly and maintenance of GRACO fluid handling and application equipment, including sprayers, pumps, and dispensers, to ensure secure fastening of components.

Installation Notes:

• Using genuine GRACO lock washers ensures proper fit, performance, and safety within GRACO equipment, reducing the risk of equipment failure or downtime.
• Always use the correct size and type of lock washer as specified in the equipment manual.
• Inspect the washer for damage or wear before installation.
• Tighten fasteners to the recommended torque to ensure effective locking.
• Replace lock washers during routine maintenance or if they show signs of deformation or wear.