S-95395A280 0.906" ID x 1.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for harsh industrial environments and moisture-prone applications.
• Exceptional durability and load distribution with Rockwell B60 hardness, preventing surface damage and extending the lifespan of your assemblies.
• Precise fit for 7/8" screws with a 0.906" ID, ensuring secure fastening and reducing the risk of loosening under vibration.
• Optimal surface coverage and stability provided by the 1.75" OD and consistent 0.136-0.161" thickness, enhancing joint integrity.
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global markets and environmentally conscious projects.
• Reliable performance in heavy-duty applications due to the robust copper alloy construction, suitable for demanding mechanical and electrical uses.
• Easy integration into inch-system designs, simplifying procurement and replacement in standard industrial fastener inventories.

Professional Applications & Engineering Value

This brass flat washer is engineered to address common challenges in industrial settings, such as galvanic corrosion and component wear. The copper alloy material inherently resists rust and chemical degradation, making it perfect for electrical connections, plumbing systems, and marine equipment where moisture is a concern. Its Rockwell B60 hardness ensures it maintains shape under high pressure, distributing load evenly to prevent bolt head embedding and surface damage on soft materials. With a precise 0.906" ID for 7/8" screw size and a generous 1.75" OD, it provides a stable base that reduces stress concentration, minimizes loosening from vibrations, and enhances the reliability of heavy-duty assemblies. This washer is a go-to solution for engineers seeking long-term performance in corrosive or high-stress environments.

Specification Summary & Compliance

This washer adheres to standard inch system measurements with an inner diameter of 0.906", outer diameter of 1.75", and thickness ranging from 0.136" to 0.161", designed specifically for 7/8" screw applications. It meets general industrial tolerances for flat washers and is manufactured from brass with a Rockwell B60 hardness for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) regulations as of January 17, 2023, ensuring it is free from restricted substances and safe for various industrial uses.