S-93852A154 2" ID x 4.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional load distribution thanks to the large 4.25" outer diameter, minimizing surface pressure and preventing material damage
• Precise fit for 1 7/8" screws with a 2" inner diameter, ensuring secure fastening and reducing installation errors
• Enhanced durability and longevity from a thickness range of 0.153-0.213", providing reliable performance under heavy loads
• Guaranteed dimensional consistency through compliance with ASME B18.21.1 standards, ensuring interchangeability and ease of sourcing
• Safe for regulated industries with full RoHS 3 and REACH compliance, meeting strict environmental and health standards
• Versatile inch system compatibility for seamless integration with existing USS-standard machinery and equipment

Professional Applications & Engineering Value

These USS flat washers are engineered to address critical challenges in heavy-duty industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making them suitable for demanding environments like chemical processing, marine equipment, and construction machinery where exposure to moisture and corrosive agents is common. The large 4.25" OD and substantial thickness effectively distribute clamping force over a wider area, preventing joint loosening and surface damage in high-vibration settings. Manufactured to ASME B18.21.1 specifications, these washers ensure precise dimensional accuracy for reliable performance with 1 7/8" screw applications, reducing assembly time and maintenance costs in mechanical systems, structural steel connections, and large-scale manufacturing equipment.

Specification Summary & Compliance

This USS flat washer features a 2" inner diameter, 4.25" outer diameter, and thickness range of 0.153-0.213" designed for use with 1 7/8" screws. It is manufactured in accordance with ASME B18.21.1 dimensional standards for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.