S-90126A205 0.219" ID x 0.5" OD SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- Reliable load distribution from the flat washer design, preventing surface damage and maintaining joint integrity under Grade 5 strength
- Precise fit for No. 10 screws with 0.219" inner diameter, ensuring secure fastening and reducing assembly errors
- Enhanced stability provided by the 0.5" outer diameter, offering a larger bearing surface for improved vibration resistance
- Consistent thickness control between 0.036-0.065", delivering uniform performance and predictable compression
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in global supply chains
- SAE standard compatibility for seamless integration with existing inch-system components and specifications
Professional Applications & Engineering Value
These SAE flat washers deliver critical engineering value through their zinc-plated steel composition and precise dimensional control. The Grade 5 strength ensures reliable performance in mechanical assemblies where vibration resistance and load distribution are paramount. The 0.219" ID provides exact compatibility with No. 10 screws, eliminating play while the 0.5" OD creates optimal surface coverage to prevent embedding and material deformation. This combination addresses common industrial challenges including galvanic corrosion, joint loosening, and assembly inaccuracy. Ideal for automotive, machinery, and structural applications, these washers maintain SAE standards while offering the corrosion protection needed for extended service life in harsh operating conditions.
Specification Summary & Compliance
Manufactured to SAE standards with inch system measurements: 0.219" inner diameter, 0.5" outer diameter, and thickness range of 0.036-0.065". Constructed from zinc-plated steel with Grade 5 strength classification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
