S-93720A020 0.178" ID x 0.518" OD Electrical-Terminal Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity from brass material, ensuring reliable current flow in terminal connections and reducing energy loss.
• Precise dimensional fit with 0.178" ID and 0.518" OD, designed for No. 8 screw sizes to prevent loosening and maintain secure fastening.
• Enhanced durability with Rockwell B60 hardness, resisting deformation under pressure and extending service life in demanding environments.
• Compliance with environmental standards, including RoHS 3 and REACH, ensuring safe use in global markets without hazardous substances.
• Optimal thickness and height (0.032" thickness, 0.129" overall height) for easy installation and effective spacing in electrical assemblies.
• Corrosion-resistant brass construction, ideal for humid or corrosive conditions, maintaining performance in electrical systems.
• Wide compatibility with inch-based electrical components, simplifying sourcing and integration into existing setups.

Professional Applications & Engineering Value

This brass electrical terminal washer is engineered to address common challenges in electrical systems, such as poor conductivity and corrosion-induced failures. Made from high-quality copper alloy, it ensures minimal electrical resistance, which is critical for maintaining efficient power transmission in terminal connectors and other electrical components. The precise inch dimensions (0.178" ID x 0.518" OD) and Rockwell B60 hardness provide a secure fit and resistance to compression, reducing the risk of loose connections that can lead to system downtime. Its RoHS and REACH compliant brass construction makes it suitable for industries like automotive, aerospace, and industrial machinery, where reliability and regulatory adherence are paramount. By offering excellent surface durability and ease of installation, this washer enhances the longevity and safety of electrical assemblies, supporting consistent performance in high-stakes applications.

Specification Summary & Compliance

This washer features precise inch-based dimensions with an ID of 0.178", OD of 0.518", thickness of 0.032", and overall height of 0.129", designed for No. 8 screw sizes. It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence. The Rockwell B60 hardness confirms consistent material strength, suitable for various industrial fastening requirements.