The GRACO 555626 is a plain washer designed for use in GRACO equipment. It is a standard hardware component intended to distribute the load of a threaded fastener, such as a bolt or screw, and to prevent damage to the surface of the assembled parts. The material is not specified in available sources, but plain washers are typically made from steel or stainless steel. Its intended use is to provide a smooth bearing surface and to help secure fasteners within GRACO machinery.

Key Features:

• Plain washer
• 5/16 inch inner diameter x 3/4 inch outer diameter
• Designed for use with GRACO equipment; compatible with fasteners matching the 5/16 inch inner diameter
• Standard flat washer design for load distribution
• Simple, reliable construction
• Ease of installation and replacement

Applications:
Used in various GRACO equipment assemblies where fasteners require load distribution and surface protection. Commonly found in lubrication, fluid handling, and maintenance systems.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and reliability within GRACO equipment, reducing the risk of equipment failure or damage.
• Ensure the washer is placed between the fastener head and the surface to be protected.
• Use the correct size washer for the fastener to avoid misalignment or damage.
• Inspect washers for wear or deformation before installation and replace as necessary.
• Regularly inspect washers during routine maintenance checks.
• Replace washers if they show signs of wear, corrosion, or deformation.
• Keep spare washers on hand for quick replacement during maintenance.