S-90107A043 2.125" ID x 4" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
• Precise dimensional fit with a 2.125" inner diameter and 4" outer diameter, ensuring reliable performance for 2" screw sizes.
• Enhanced load distribution due to the large outer diameter, reducing surface pressure and preventing material damage.
• Consistent thickness range of 0.180-0.194" for uniform spacing and secure fastening in heavy-duty assemblies.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.
• Durable and long-lasting performance in demanding applications, minimizing maintenance and replacement costs.
• Versatile inch system compatibility for seamless integration with existing industrial equipment and fasteners.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges such as corrosion, vibration loosening, and uneven load distribution. Its high-grade material provides excellent resistance to pitting and crevice corrosion, making it suitable for marine, chemical, and food processing applications. The precise 2.125" ID and 4" OD dimensions ensure a secure fit for 2" screw sizes, while the flat design enhances stability and prevents fastener failure. By distributing loads evenly across surfaces, this washer reduces stress concentrations, prolonging the life of assembled components and improving overall mechanical integrity in heavy-duty setups.

Specification Summary & Compliance

This flat washer features inch system measurements with an inner diameter of 2.125", outer diameter of 4", and thickness range of 0.180-0.194", designed for use with 2" screw sizes. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial hardware.