S-90108A034 0.625" ID x 1.469" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
• Optimal load distribution with 1.469" OD providing excellent surface coverage and preventing joint loosening
• Precision fit for 9/16" fasteners featuring 0.625" ID ensuring secure installation and alignment
• Manufacturing consistency guaranteed through compliance with ASME B18.21.1 standards
• Enhanced safety compliance with REACH regulations for environmental and workplace safety
• Versatile thickness range (0.086-0.132") accommodating various assembly requirements and compression needs
• Heavy-duty performance in inch system applications where USS specification reliability is critical

Professional Applications & Engineering Value

These USS flat washers deliver exceptional engineering value in demanding industrial applications where corrosion resistance and load distribution are paramount. The zinc-plated steel construction provides critical protection against environmental degradation, significantly extending component life in outdoor, marine, and chemical exposure scenarios. The precisely engineered dimensions - including the 0.625" inner diameter for perfect 9/16" fastener compatibility and 1.469" outer diameter for optimal surface contact - prevent embedment, reduce stress concentration, and maintain bolt tension in heavy machinery, structural steel connections, and industrial equipment. Manufactured to ASME B18.21.1 specifications, these washers ensure dimensional consistency and reliable performance across critical assembly operations.

Specification Summary & Compliance

This USS flat washer features precise dimensional specifications including 0.625" ID, 1.469" OD, and thickness range of 0.086-0.132" designed for 9/16" screw size applications. Manufactured in compliance with ASME B18.21.1 standards ensuring dimensional accuracy and mechanical properties. The product is REACH compliant (EC 1907/2006) as of 06/14/2023, meeting environmental and safety regulations for industrial use. Constructed from zinc-plated steel for enhanced corrosion protection in demanding operational environments.