S-93852A158 2.875" ID x 5.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Optimized load distribution with 2.875" ID and 5.25" OD dimensions, preventing surface damage and maintaining joint integrity
• Reliable dimensional consistency manufactured to USS standards, ensuring proper fit with 2 3/4" screws and reducing assembly errors
• Heavy-duty performance with thickness ranging from 0.228" to 0.310", providing robust support for high-stress applications
• Industry-standard compliance meeting ASME B18.21.1 specifications, guaranteeing interchangeability and engineering reliability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries worldwide
• Long-term cost efficiency through durable stainless steel material that resists rust and degradation, minimizing replacement needs

Professional Applications & Engineering Value

This USS flat washer delivers critical engineering solutions where corrosion resistance and load distribution are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and food industry applications where environmental factors degrade ordinary washers. With its 2.875" ID precision-machined to fit 2 3/4" screws, this washer prevents bolt loosening from vibration while the 5.25" OD spreads clamping force effectively across surfaces. The ASME B18.21.1 compliance ensures dimensional accuracy for seamless integration into existing assemblies, reducing installation time and eliminating compatibility issues in heavy machinery, structural steel connections, and industrial equipment maintenance.

Specification Summary & Compliance

This USS flat washer features inch system dimensions with 2.875" inner diameter, 5.25" outer diameter, and thickness ranging from 0.228" to 0.310". Manufactured to ASME B18.21.1 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.