S-93720A030 0.2" ID x 0.453" OD Electrical-Terminal Washers

Key Features & Benefits at a Glance

• Enhanced Electrical Conductivity: Made from high-quality brass, this washer ensures reliable electrical connections in terminal applications, reducing resistance and improving performance.
• Precise Fit for No. 10 Screws: With an inner diameter of 0.2", it provides a secure and stable fit, preventing loosening and ensuring consistent assembly in electrical systems.
• Durable Construction: Featuring Rockwell B60 hardness, the washer offers excellent wear resistance and maintains integrity under repeated use in demanding industrial environments.
• Optimal Size for Space Efficiency: The 0.453" outer diameter and 0.020" thickness allow for compact installation without compromising on strength, ideal for confined electrical panels.
• Compliance with Environmental Standards: RoHS 3 and REACH compliant, it meets strict regulations for hazardous substances, ensuring safety and sustainability in global markets.
• Corrosion Resistance: Brass material naturally resists corrosion, extending the washer's lifespan and maintaining performance in humid or corrosive settings.
• Reliable for High-Stress Applications: Designed for electrical terminals, it handles vibration and thermal cycling, reducing the risk of failure in critical connections.

Professional Applications & Engineering Value

This brass washer is engineered specifically for electrical terminal applications, where consistent conductivity and mechanical stability are paramount. The use of copper alloy ensures minimal electrical resistance, addressing common issues like overheating and signal loss in power distribution systems. With precise dimensions—0.453" OD, 0.2" ID, and 0.020" thickness—it fits seamlessly with No. 10 screw sizes, providing a snug fit that counters loosening from vibrations in industrial machinery, automotive wiring, and control panels. The Rockwell B60 hardness enhances durability, making it suitable for high-cycle environments. Coupled with RoHS 3 and REACH compliance, this washer meets rigorous environmental and safety standards, offering engineers a reliable component that minimizes downtime and ensures long-term performance in electrical components and hardware assemblies.

Specification Summary & Compliance

This washer adheres to inch measurement standards with precise dimensions: Inner Diameter of 0.2", Outer Diameter of 0.453", Thickness of 0.020", and Overall Height of 0.076". It is designed for No. 10 screw sizes and manufactured from brass with a hardness of Rockwell B60. The product complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and is REACH (EC 1907/2006) compliant, ensuring it meets current regulatory requirements for hazardous substances.