The GRACO 111477 is a flat washer, primarily constructed from stainless steel, designed for use in GRACO pump assemblies to provide secure fastening and sealing between components. Key Features: Flat washer 0.640” diameter (as per GRACO manual); 1.2 in x 1.2 in x 1.2 in (shipping dimensions, likely packaging size, not actual washer size) Stainless steel (sst) Compatible with GRACO Bulldog and King Pumps; included in Repair Kits 220862 and 24F012 Durable stainless steel construction for corrosion resistance Essential for secure fastening and sealing in pump assemblies Recommended as a spare part for maintenance toolboxes Applications:Used in GRACO Bulldog and King Pumps for secure fastening and sealing between pump components. Suitable for maintenance and repair of industrial fluid handling equipment. Installation Notes: Using genuine GRACO parts ensures proper fit, performance, and longevity of equipment. Ensure the washer is clean and free from debris before installation Align the washer properly between mating surfaces Tighten fasteners to manufacturer-recommended torque specifications Inspect washers regularly for wear or damage and replace as needed Keep spare washers in the maintenance toolbox for quick replacement Regularly inspect pump assemblies for leaks or loose fasteners Replace washers during routine maintenance or when signs of wear are detected