S-93286A021 0.688" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through high-quality aluminum construction, ensuring long-term reliability in harsh industrial environments
• Optimal load distribution with precise 1.5" outer diameter, preventing surface damage and maintaining joint integrity
• Perfect fit for 5/8" fasteners with 0.688" inner diameter, reducing installation time and eliminating compatibility issues
• Enhanced durability thanks to Brinell 120 hardness, providing excellent resistance to deformation under pressure
• Regulatory compliance assurance with RoHS 3 and REACH compliance, meeting global environmental standards for industrial applications
• Consistent performance maintained through controlled thickness (0.068-0.088"), ensuring uniform pressure distribution across assemblies
• Lightweight advantage of aluminum material, reducing overall assembly weight without compromising strength

Professional Applications & Engineering Value

This aluminum flat washer delivers exceptional engineering value across multiple industrial sectors where corrosion resistance and weight reduction are critical. The Brinell 120 hardness aluminum construction provides optimal strength-to-weight ratio, making it ideal for aerospace, automotive, and marine applications where every ounce matters. The precise 0.688" ID ensures perfect alignment with 5/8" screws, eliminating play and preventing loosening in vibrating environments. The 1.5" OD distributes clamping force effectively, protecting soft materials and finished surfaces from damage. With RoHS 3 and REACH compliance, this washer meets the strictest environmental regulations while maintaining performance in chemical-exposed or outdoor installations where traditional steel washers would corrode.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.688" inner diameter for 5/8" screw size, 1.5" outer diameter, and controlled thickness range of 0.068-0.088". Manufactured from aluminum with Brinell 120 hardness for consistent mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.