S-97725A268 0.531" ID x 0.812" OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight aluminum construction reduces overall assembly weight while maintaining structural integrity
• Precision dimensional tolerances ensure perfect fit with 1/2" fasteners for reliable installation
• Optimized load distribution with 0.812" outer diameter protects surfaces and prevents embedding
• Corrosion-resistant aluminum material provides excellent performance in various environmental conditions
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance
• Consistent thickness control (0.055-0.069") ensures uniform clamping force across assemblies
• Versatile industrial compatibility works across multiple applications requiring 1/2" fasteners

Professional Applications & Engineering Value

This aluminum flat washer delivers critical engineering solutions where weight reduction and corrosion resistance are paramount. The precise 0.531" inner diameter ensures perfect alignment with 1/2" screw applications, eliminating installation issues and reducing assembly time. The 0.812" outer diameter provides optimal surface coverage, distributing clamp load effectively to prevent damage to soft materials and composite surfaces. Made from high-quality aluminum, these flat washers offer excellent conductivity and non-magnetic properties, making them ideal for electrical enclosures, aerospace components, and marine equipment where traditional steel fasteners would corrode. The controlled thickness range of 0.055-0.069" ensures consistent performance in vibration-prone environments, maintaining joint integrity in demanding industrial settings.

Specification Summary & Compliance

This precision aluminum flat washer features a 0.531" inner diameter, 0.812" outer diameter, and thickness range of 0.055-0.069" specifically engineered for 1/2" screw size applications. Manufactured to inch system standards with precise dimensional tolerances for reliable performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated 06/14/2023, 235 SVHC), meeting international environmental regulations for industrial hardware components.