S-96582A444 2.875" ID x 5.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with black corrosion-resistant coating extends service life in harsh environments
• Heavy-duty load distribution with 5.25" outer diameter prevents surface damage and bolt loosening
• Precision dimensional fit with 2.875" inner diameter ensures compatibility with 2 3/4" screws
• Industry-standard compliance with ASME B18.21.1 guarantees consistent quality and performance
• Enhanced environmental safety through RoHS 3 and REACH compliance for responsible sourcing
• Robust steel construction provides reliable strength for demanding industrial applications
• Optimal thickness range (0.228-0.310") balances compression resistance and installation flexibility

Professional Applications & Engineering Value

This USS flat washer delivers exceptional engineering value in heavy-duty industrial applications where corrosion resistance and load distribution are critical. The black corrosion-resistant coated steel construction effectively combats environmental degradation in outdoor infrastructure, marine equipment, and chemical processing facilities. With its substantial 5.25" outer diameter, this washer significantly increases bearing surface area to prevent joint failure and material deformation under extreme loads. The precise 2.875" inner diameter ensures perfect alignment with 2 3/4" screws, maintaining structural integrity in construction, heavy machinery, and transportation equipment. Engineered to ASME B18.21.1 specifications, this washer provides reliable performance where standard washers would fail, making it ideal for critical bolted connections requiring long-term durability and corrosion protection.

Specification Summary & Compliance

This USS flat washer features dimensional specifications of 2.875" inner diameter, 5.25" outer diameter, and thickness range of 0.228-0.310" designed for use with 2 3/4" screw sizes. Manufactured in compliance with ASME B18.21.1 standards for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance (updated 06/14/2023, 235 SVHC) for environmental safety and regulatory adherence in global industrial markets.