S-90313A259 0.188" ID x 3" OD Oversized Washers
Oversized 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 from 18-8 stainless steel, ideal for harsh environments and extending service life.
- Exceptional load distribution with a large 3" outer diameter, reducing surface pressure and preventing material damage.
- Precise fit for No. 8 screws with a 0.188" inner diameter, ensuring secure fastening and minimizing loosening.
- Consistent performance due to a controlled thickness range of 0.060-0.090", providing reliable spacing and vibration resistance.
- Compliance with environmental standards, meeting RoHS 3 and REACH regulations for safe, sustainable use in global markets.
- Durable and maintenance-free construction, offering long-term reliability in industrial and outdoor applications.
- Versatile inch system compatibility, facilitating easy integration with standard imperial fastening assemblies.
Professional Applications & Engineering Value
These 18-8 stainless steel flat washers are engineered to address common industrial challenges, such as corrosion-induced failure and uneven load distribution. The stainless steel material provides excellent resistance to rust and chemicals, making them suitable for demanding environments like marine, chemical processing, and outdoor construction. With a 3" OD and precise 0.188" ID, they effectively distribute pressure under No. 8 screw heads, preventing surface indentation and enhancing joint integrity in heavy-duty assemblies. This design minimizes maintenance needs and downtime, offering reliable performance in machinery, structural frameworks, and equipment where corrosion-resistant washers are critical for long-term operation.
Specification Summary & Compliance
This flat washer features an inner diameter of 0.188", outer diameter of 3", and thickness range of 0.060-0.090", designed for use with No. 8 screws in inch-based systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial applications.
