S-90107A042 1.812" ID x 3.5" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance ideal for harsh environments including marine and chemical applications
• Precise dimensional tolerances ensure consistent performance and reliable load distribution
• Heavy-duty construction with 3.5" OD provides excellent surface coverage and bearing support
• Optimized compatibility with 1 3/4" screws for secure fastening in industrial assemblies
• Environmental compliance with RoHS 3 and REACH regulations for global manufacturing requirements
• Durable 316 stainless steel maintains integrity in high-moisture and corrosive conditions
• Consistent thickness range (0.133-0.147") ensures uniform pressure distribution across applications

Professional Applications & Engineering Value

This 316 stainless steel flat washer delivers exceptional engineering value in demanding industrial environments where corrosion resistance is critical. The inch system dimensions provide precise compatibility with standard 1 3/4" screw applications, while the generous 3.5" outer diameter offers superior load distribution across softer materials or larger surface areas. Engineered specifically for marine equipment, chemical processing plants, and outdoor infrastructure, this flat washer prevents galvanic corrosion and maintains structural integrity in saltwater, chemical exposure, and high-humidity conditions. The precision manufacturing ensures consistent thickness and dimensional accuracy, reducing installation time and preventing assembly issues in critical industrial applications where reliability cannot be compromised.

Specification Summary & Compliance

This flat washer features precise dimensional specifications including 1.812" inner diameter, 3.5" outer diameter, and thickness range of 0.133-0.147" designed for 1 3/4" screw applications. Manufactured from 316 stainless steel using standard inch system measurements, the product maintains dimensional consistency across production batches. The washer is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental standards for industrial components while ensuring safe use in global manufacturing and construction applications.