S-90437A210 0.688" ID x 1.5" OD Adhesive-Back Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Reliable bonding performance due to 0.039" thick acrylic adhesive, ensuring secure placement and vibration resistance
• Excellent dimensional stability with precise SAE inch sizing (5/8" ID, 1.5" OD) for consistent fit and load distribution
• Enhanced durability from Rockwell B70 hardness, providing long-term wear resistance and structural integrity
• Broad temperature tolerance operating from 50°F to 200°F, suitable for varied thermal conditions without adhesive failure
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, ensuring safety and environmental responsibility
• Simplified installation with pre-applied adhesive, reducing assembly time and improving operational efficiency

Professional Applications & Engineering Value

This 316 stainless steel SAE flat washer with acrylic adhesive addresses critical industrial challenges by combining corrosion-resistant material with a robust bonding solution. Its 0.059" thickness and precise dimensions (0.688" ID, 1.5" OD) ensure uniform load distribution, preventing bolt loosening and surface damage in high-vibration machinery, automotive assemblies, and marine equipment. The adhesive layer maintains integrity under thermal stress (up to 200°F), reducing maintenance needs in industrial applications like HVAC systems, chemical processing, and outdoor infrastructure. By adhering to SAE standards, it guarantees interoperability and reliability, minimizing downtime and enhancing safety in demanding engineering environments.

Specification Summary & Compliance

This washer conforms to SAE flat washer designation in the inch system, with critical dimensions including 0.688" ID, 1.5" OD, and 0.059" thickness. It features a Class 2A thread fit tolerance for 5/8" screws, Rockwell B70 hardness for mechanical strength, and 0.039" acrylic adhesive thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.