S-92140A120 0.531" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from the black-oxide steel finish, extending washer lifespan in harsh industrial environments
• Precise dimensional fit with 0.531" inner diameter designed specifically for 1/2" screw applications, ensuring secure fastening
• Optimal load distribution thanks to the 2" outer diameter, reducing surface pressure and preventing material damage
• Consistent thickness tolerance between 0.120-0.130" for reliable performance and uniform clamping force
• Environmental compliance assurance with RoHS 3 and REACH compliance, meeting strict regulatory standards
• Durable steel construction providing excellent strength and longevity for demanding mechanical applications
• Inch system compatibility ensuring seamless integration with standard industrial equipment and components

Professional Applications & Engineering Value

This black-oxide steel flat washer delivers exceptional engineering value in demanding industrial settings where corrosion resistance and reliable performance are critical. The black-oxide surface treatment creates a protective barrier against moisture, chemicals, and environmental factors that typically degrade standard washers. Engineered with precise 0.531" ID for perfect compatibility with 1/2" screw size applications, this washer prevents loosening and maintains consistent clamping force in heavy machinery, structural assemblies, and mechanical systems. The generous 2" OD provides superior load distribution, protecting sensitive surfaces from indentation and damage while ensuring long-term joint integrity. Ideal for automotive, construction, and manufacturing applications where vibration resistance and dimensional stability are paramount.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.531" inner diameter, 2" outer diameter, and thickness ranging 0.120-0.130". Manufactured from black-oxide steel for enhanced durability and corrosion protection. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.