S-92140A108 0.203" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments.
• Precise dimensional fit with 0.203" inner diameter and 1" outer diameter, ensuring reliable load distribution for No. 10 screws.
• Consistent thickness tolerance between 0.120" and 0.130", providing uniform pressure and reducing fastener loosening.
• Robust steel construction delivers high strength and durability for heavy-duty mechanical assemblies.
• Compliance with RoHS 3 and REACH regulations, ensuring safe use and environmental responsibility in global supply chains.
• Broad compatibility with inch-system fasteners, simplifying sourcing and integration into existing designs.
• Reliable performance in vibration-prone applications, maintaining joint integrity without rated hardness limitations.

Professional Applications & Engineering Value

This black-oxide steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. The black-oxide surface treatment provides a protective layer that minimizes rust and wear in humid or chemically exposed settings, making it ideal for outdoor machinery, automotive assemblies, and electrical enclosures. Its precise 0.203" ID and 1" OD dimensions, tailored for No. 10 screw sizes, ensure optimal alignment and stress dispersion, preventing damage to connected materials. By combining inch-standard sizing with high-grade steel, this washer reduces maintenance needs and enhances the longevity of industrial fastening systems, supporting efficient production and assembly workflows.

Specification Summary & Compliance

This flat washer adheres to standard inch measurement tolerances, with an inner diameter of 0.203", outer diameter of 1", and thickness ranging from 0.120" to 0.130". It is manufactured from black-oxide coated steel and is designed for use with No. 10 screws. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-regulated industrial applications.