S-90474A119 0.656" ID x 2.25" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 2.25" OD and 0.656" ID for superior surface coverage and reduced material stress
• Maximum corrosion resistance through zinc yellow-chromate plating, ideal for harsh industrial environments
• Guaranteed high-strength performance with Grade 8 classification and Rockwell C38 hardness for heavy-duty applications
• Precise dimensional accuracy manufactured to ASME B18.21.1 specifications for reliable fit and function
• Enhanced durability and longevity with consistent 0.146-0.174" thickness for uniform pressure distribution
• Compliance with global standards including RoHS 3 and REACH for safe, sustainable industrial use
• Optimized for 5/8" fasteners ensuring secure assembly and vibration resistance in critical applications

Professional Applications & Engineering Value

These Grade 8 flat washers deliver critical engineering solutions where high tensile strength and corrosion protection are paramount. Manufactured from zinc yellow-chromate plated steel, they prevent galvanic corrosion and withstand extreme environmental conditions in construction, heavy machinery, and structural applications. The ASME B18.21.1 compliance ensures precise dimensional tolerances and consistent performance under heavy loads, while the Rockwell C38 hardness provides exceptional resistance to deformation. Ideal for 5/8" fastener systems, these washers distribute clamping force effectively, preventing joint loosening and material fatigue in demanding industrial settings.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 standards with dimensional specifications of 0.656" ID, 2.25" OD, and thickness range of 0.146-0.174". Features Grade 8 strength classification with Rockwell C38 hardness for high-stress applications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use.