S-90313A257 0.188" ID x 1.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel ensures long-term reliability in humid or chemically aggressive environments.
• Precise dimensional fit with 0.188" ID and 1.625" OD provides consistent alignment and load distribution for No. 8 screws.
• Enhanced durability due to the robust stainless steel construction, resisting deformation under pressure.
• Broad environmental compliance with RoHS 3 and REACH standards, making it safe for regulated industrial and electronic applications.
• Versatile thickness range of 0.060-0.090" accommodates minor variations in assembly gaps without compromising performance.
• Reliable performance in high-stress scenarios, thanks to the material's inherent strength and flat design for even pressure spreading.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges, such as corrosion and mechanical stress in assemblies. Its stainless steel composition provides excellent resistance to rust and oxidation, ideal for outdoor, marine, or chemical processing equipment where moisture is a concern. The precise 0.188" ID and 1.625" OD ensure a snug fit for No. 8 screw sizes, preventing loosening and distributing loads evenly to protect connected surfaces from damage. In applications like machinery, automotive, or electrical enclosures, this washer enhances joint integrity, reduces maintenance needs, and supports long-term operational efficiency by mitigating wear and tear.

Specification Summary & Compliance

This flat washer adheres to standard inch measurements with an inner diameter of 0.188", outer diameter of 1.625", and thickness ranging from 0.060" to 0.090". It is designed for use with No. 8 screw sizes and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial and consumer applications.