S-90108A411 0.25" ID x 0.562" OD USS Washers
USS 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 harsh environments
- Optimal load distribution across 0.562" outer diameter, preventing surface damage and joint failure
- Enhanced vibration resistance through USS flat design, maintaining fastener integrity under dynamic loads
- Precise compatibility with No. 10 screw sizes and 0.25" inner diameter for seamless assembly
- Durable mechanical performance from steel material, supporting heavy-duty industrial applications
- Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global safety requirements
- Versatile inch-system sizing for easy integration with North American machinery and equipment
Professional Applications & Engineering Value
This USS flat washer delivers critical engineering solutions through its zinc-plated steel composition and standardized dimensions. The 0.036-0.065" thickness range ensures consistent load distribution while resisting embedment in soft materials. In automotive assembly lines, the corrosion-resistant plating withstands exposure to lubricants and moisture, preventing galvanic corrosion between dissimilar metals. For construction equipment and industrial machinery, the flat washer design absorbs vibrational forces that could loosen standard fasteners, significantly reducing maintenance intervals. The precise 0.25" ID maintains concentric alignment during high-speed assembly operations, while the generous OD creates an optimal bearing surface for structural connections.
Specification Summary & Compliance
Manufactured to USS flat washer standards with inch-system dimensions: 0.25" inner diameter, 0.562" outer diameter, and 0.036-0.065" thickness range. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC updates. Designed specifically for use with No. 10 screw sizes in industrial fastening systems requiring reliable performance under static and dynamic loading conditions.
