S-93720A011 0.153" ID x 0.504" OD Electrical-Terminal Washers

Key Features & Benefits at a Glance

• Superior Electrical Conductivity: Made from high-quality brass for optimal current flow in terminal connections.
• Precise Fit for No. 6 Screws: 0.153" inner diameter ensures secure, vibration-resistant fastening in electrical assemblies.
• Enhanced Durability: Rockwell B60 hardness provides excellent resistance to deformation under pressure.
• Reliable Performance in Demanding Environments: Stable 0.025" thickness and 0.095" height maintain consistent spacing and electrical contact.
• Broad Compatibility: 0.504" outer diameter fits standard terminal blocks and connectors for versatile application use.
• Environmental Compliance: RoHS 3 and REACH compliant, ensuring safe use in regulated industries without lead concerns.
• Corrosion Resistance: Brass material naturally resists oxidation, prolonging service life in humid or corrosive conditions.

Professional Applications & Engineering Value

This brass electrical terminal washer is engineered to address common challenges in electrical systems, such as poor conductivity and connection loosening. The copper alloy construction ensures minimal energy loss, critical for high-efficiency power distribution and control panels. Its precise 0.153" ID and 0.504" OD provide a snug fit on No. 6 screws, reducing the risk of short circuits caused by misalignment. With a Rockwell B60 hardness, it withstands repeated torque without cracking, making it ideal for industrial machinery, automotive wiring, and renewable energy installations where vibration and thermal cycling are concerns. The inch measurement system compatibility simplifies sourcing for global projects, while the RoHS 3 and REACH compliance ensures adherence to strict environmental standards, supporting sustainable manufacturing practices.

Specification Summary & Compliance

This washer meets precise dimensional tolerances with an inner diameter of 0.153", outer diameter of 0.504", thickness of 0.025", and overall height of 0.095", designed for No. 6 screw size applications. Manufactured from brass with a Rockwell B60 hardness, it ensures reliable performance in electrical terminals. 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, confirming its suitability for use in environmentally conscious and regulated industries.