S-90126A042 1.625" ID x 3" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion protection through zinc-plated steel construction, extending service life in demanding industrial environments
• Optimal load distribution with 3" outer diameter design, preventing surface damage and maintaining joint integrity
• Precision dimensional accuracy with 1.625" inner diameter, ensuring perfect fit for 1 1/2" screw applications
• Enhanced mechanical reliability through ASME B18.21.1 compliance, guaranteeing consistent performance under heavy loads
• Environmental compliance assurance with RoHS 3 and REACH conformity, meeting global regulatory standards
• Robust construction durability with thickness range of 0.136-0.192", providing reliable performance in high-stress applications
• Industry-standard compatibility with SAE inch system specifications, ensuring seamless integration with existing equipment

Professional Applications & Engineering Value

This zinc-plated steel SAE flat washer delivers exceptional engineering value in heavy-duty industrial applications where corrosion resistance and load distribution are critical. The precision zinc plating provides superior protection against environmental factors, making it ideal for outdoor equipment, construction machinery, and manufacturing facilities exposed to moisture and harsh conditions. With its 1.625" ID and 3" OD dimensions, this washer effectively distributes clamping forces over a wider surface area, preventing material deformation and maintaining bolt tension in high-vibration environments. The ASME B18.21.1 compliance ensures dimensional consistency and mechanical reliability, while the inch system design makes it perfectly suited for American-made equipment and replacement parts. Engineering teams specify this heavy-duty flat washer for applications requiring long-term reliability and reduced maintenance intervals.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications with 1.625" inner diameter, 3" outer diameter, and thickness ranging from 0.136" to 0.192", designed specifically for 1 1/2" screw applications. Manufactured in compliance with ASME B18.21.1 standards, ensuring dimensional accuracy and mechanical performance. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements as of June 14, 2023, addressing 235 Substances of Very High Concern. Constructed from zinc-plated steel for enhanced corrosion resistance in industrial environments.