S-93286A011 0.203" ID x 0.438" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality aluminum construction, ideal for harsh industrial environments
• Excellent load distribution with precise 0.203" ID and 0.438" OD dimensions, preventing surface damage to materials
• Optimal hardness performance with Brinell 120 rating for reliable, long-lasting fastening applications
• Perfect compatibility specifically engineered for No. 10 screws, ensuring secure fit and vibration resistance
• Consistent thickness control ranging 0.024-0.038" for uniform pressure distribution across assemblies
• Environmental compliance assurance with RoHS 3 and REACH compliance, meeting global regulatory standards
• Lightweight durability combining aluminum's natural strength with reduced component weight

Professional Applications & Engineering Value

These aluminum flat washers deliver critical engineering solutions where corrosion resistance and weight reduction are paramount. The Brinell 120 hardness provides sufficient strength for industrial applications while maintaining aluminum's natural anti-corrosive properties. Engineered with precision inch dimensions (0.203" ID x 0.438" OD), these washers ensure perfect compatibility with No. 10 screws, preventing loosening from vibration and thermal cycling. The controlled thickness range (0.024-0.038") guarantees consistent load distribution, protecting sensitive surfaces in electronics, aerospace components, and marine equipment. Their RoHS 3 and REACH compliance makes them suitable for regulated industries requiring environmentally conscious manufacturing standards.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.203" internal diameter and 0.438" outer diameter, manufactured to standard flat washer specifications for No. 10 screws. The aluminum material achieves Brinell 120 hardness for optimal performance in industrial applications. The product fully complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC updates as of June 14, 2023. These washers meet industry standards for dimensional accuracy and material properties required in precision assembly applications.