S-96582A435 1.5" ID x 3.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with black corrosion-resistant coated steel construction, extending service life in harsh environments
• Optimal load distribution thanks to the 3.25" outer diameter, preventing surface damage and maintaining joint integrity
• Precise fit for 1 3/8" screws with 1.5" inner diameter, ensuring secure fastening and reducing installation errors
• Heavy-duty construction with thickness ranging from 0.153" to 0.213", providing reliable performance under high-stress conditions
• Industry-standard compliance with ASME B18.21.1 specifications, guaranteeing dimensional accuracy and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use
• Versatile industrial application as a USS flat washer, suitable for construction, machinery, and heavy equipment assemblies

Professional Applications & Engineering Value

This USS flat washer delivers exceptional engineering value through its black corrosion-resistant coated steel construction, specifically designed to combat degradation in demanding industrial environments. The combination of precise 1.5" ID and 3.25" OD dimensions ensures optimal load distribution while preventing bolt head or nut embedding into connected materials. Engineered to ASME B18.21.1 standards, this heavy-duty washer solves critical challenges in construction, machinery assembly, and structural applications where vibration resistance and long-term reliability are paramount. The corrosion-resistant coating significantly extends service life in exposed or moisture-prone installations, reducing maintenance frequency and replacement costs while maintaining consistent performance under substantial clamping forces.

Specification Summary & Compliance

This USS flat washer features dimensional specifications including 1.5" inner diameter, 3.25" outer diameter, and thickness ranging from 0.153" to 0.213" for compatibility with 1 3/8" screw sizes. Manufactured to ASME B18.21.1 standards for dimensional accuracy and performance requirements. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (including 235 SVHCs as of 06/14/2023), meeting stringent environmental regulations for industrial hardware components.