S-96582A321 0.375" ID x 0.875" 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 demanding environments
• Optimal load distribution through precise 0.875" OD design prevents surface damage and joint loosening
• Perfect fit compatibility with 5/16" fasteners thanks to exact 0.375" inner diameter specification
• Industry-standard reliability ensured by full compliance with ASME B18.21.1 manufacturing specifications
• Enhanced safety compliance through RoHS 3 and REACH environmental regulations adherence
• Versatile thickness range (0.064-0.104") accommodates various assembly requirements and compression needs
• Heavy-duty construction using coated steel provides exceptional durability for industrial applications

Professional Applications & Engineering Value

These USS flat washers deliver critical engineering solutions where corrosion resistance and load distribution are paramount. The black corrosion-resistant coated steel construction specifically addresses common industrial challenges like moisture exposure and chemical degradation, significantly extending the lifespan of fastened assemblies. With precise dimensional control (0.375" ID, 0.875" OD), these 5/16" washers ensure perfect alignment and uniform pressure distribution across joint surfaces, preventing bolt head embedding and material deformation. Ideal for heavy machinery, structural frameworks, and outdoor equipment, these components maintain integrity under vibration and thermal cycling while meeting rigorous ASME B18.21.1 standards for consistent performance in critical applications.

Specification Summary & Compliance

Manufactured to exact ASME B18.21.1 specifications with dimensional precision including 0.375" inner diameter, 0.875" outer diameter, and thickness range of 0.064-0.104". These USS flat washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. The inch system measurement and designated compatibility with 5/16" fasteners provide reliable standardization for mechanical assemblies requiring consistent performance and regulatory adherence.