S-91081A047 2.375" ID x 4.75" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior load distribution with large 4.75" outer diameter to prevent surface damage and fastener embedment
• Heavy-duty steel construction provides excellent durability and reliable performance in demanding industrial environments
• Precise 2.375" inner diameter ensures perfect fit for 2 1/4" screw sizes, eliminating installation issues
• ASME B18.21.1 compliance guarantees consistent quality and dimensional accuracy across all washers
• Substantial thickness range (0.193-0.248") offers optimal compression resistance and vibration dampening
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in global industrial applications
• USS designation ensures compatibility with standard inch-system fastening requirements

Professional Applications & Engineering Value

These USS flat washers are engineered to solve critical load distribution challenges in heavy machinery, structural steel connections, and industrial equipment assembly. The steel construction combined with the substantial 4.75" OD creates an optimal bearing surface that prevents bolt heads and nuts from digging into softer materials, significantly extending joint life. The precise 2.375" ID ensures perfect alignment with 2 1/4" screw sizes, eliminating installation delays and ensuring consistent performance across multiple connection points. These ASME B18.21.1 compliant washers are particularly valuable in applications where vibration resistance and uniform pressure distribution are critical to maintaining structural integrity over time.

Specification Summary & Compliance

This USS flat washer features dimensional specifications of 2.375" ID x 4.75" OD with thickness ranging from 0.193" to 0.248", designed specifically for 2 1/4" screw sizes. Manufactured to ASME B18.21.1 standards for dimensional consistency and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components.