S-91081A035 0.688" ID x 1.75" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior Load Distribution: Designed to USS standards for even pressure spread, reducing stress and preventing surface damage in heavy-duty assemblies.
• Durable Steel Construction: Made from robust steel for long-lasting performance in demanding industrial environments.
• Precise Inch Sizing: Features exact dimensions (1.75" OD, 0.688" ID, 0.108-0.160" thickness) to ensure compatibility with 5/8" screws and reliable fit.
• ASME B18.21.1 Compliance: Meets recognized industry standards for dimensional accuracy and mechanical reliability.
• Environmental Safety Assurance: Compliant with RoHS 3 and REACH regulations, supporting eco-friendly and safe industrial practices.
• Versatile Industrial Use: Ideal for applications requiring consistent performance in machinery, construction, and automotive sectors.
• Cost-Effective Maintenance: Enhances equipment longevity by minimizing wear and tear on connected components.

Professional Applications & Engineering Value

This USS standard flat washer is engineered to address common industrial challenges such as joint loosening and material fatigue. Crafted from high-grade steel, it provides excellent resistance to deformation under high loads, ensuring stable load distribution across surfaces. The precise inch system measurements, including the 1.75" OD and 0.688" ID, guarantee accurate alignment with 5/8" fasteners, reducing installation errors. Commonly used in heavy-duty applications like construction machinery, automotive assemblies, and industrial equipment, this washer helps prevent bolt head embedding and extends the service life of components. Its compliance with ASME B18.21.1 ensures reliability in critical environments, making it a trusted choice for engineers seeking durability and performance.

Specification Summary & Compliance

This flat washer adheres to ASME B18.21.1 specifications, ensuring dimensional accuracy and mechanical integrity for inch-based systems. It features precise measurements: 1.75" outer diameter, 0.688" inner diameter, and a thickness range of 0.108-0.160". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for industrial use.