S-90313A261 0.219" ID x 1.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in humid or chemically aggressive environments.
• Precise dimensional fit with 0.219" ID and 1.625" OD, providing optimal load distribution and secure seating for No. 10 screws.
• Consistent thickness control (0.060-0.090") for uniform pressure application and reduced risk of joint loosening under vibration.
• Environmental compliance assurance with RoHS 3 and REACH standards, meeting global regulatory requirements for industrial use.
• Excellent durability due to stainless steel's inherent strength, maintaining performance in high-stress mechanical assemblies.
• Broad industrial compatibility with inch-system fasteners, simplifying sourcing and integration into existing equipment designs.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer delivers critical engineering solutions by preventing fastener loosening and surface damage in demanding applications. Its corrosion-resistant stainless steel material withstands exposure to moisture, chemicals, and temperature variations, making it ideal for industrial machinery, outdoor equipment, and food processing systems. The precise 0.219" ID ensures snug fitment on No. 10 screws, while the large 1.625" OD distributes clamping force effectively to protect soft materials and reduce stress concentrations. This combination addresses common failure points in assembly, enhancing service life and maintenance intervals for B2B clients in manufacturing and construction sectors.

Specification Summary & Compliance

Manufactured to standard inch dimensions with an internal diameter of 0.219", outer diameter of 1.625", and thickness range of 0.060-0.090". This flat washer conforms to general industrial standards for fit and function with No. 10 screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety protocols for global supply chain integration.