S-93744A160 0.39" ID x 1" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable performance in electrical grounding and connection applications.
• Excellent corrosion resistance ensures long-term durability in demanding environments, including plumbing and outdoor use.
• High hardness (Rockwell F77) provides structural integrity and prevents deformation under load.
• Precise dimensional fit with 0.39" ID and 1" OD for secure fastening with 3/8" screws, reducing installation errors.
• Compliance with RoHS 3 and REACH guarantees environmental safety and unrestricted use in regulated industries.
• Versatile material properties offer excellent malleability for a tight seal and thermal conductivity for heat dissipation.
• Durable construction withstands vibration and thermal cycling, extending the service life of your assemblies.

Professional Applications & Engineering Value

This copper flat washer is engineered to address critical challenges in electrical and mechanical systems. Its high-purity copper material delivers unmatched electrical conductivity, making it ideal for grounding applications, busbars, and electrical enclosures where signal integrity is paramount. In plumbing and HVAC systems, the washer's natural corrosion resistance prevents galvanic reaction and leakage, ensuring long-term seal integrity. The Rockwell F77 hardness provides the necessary strength to maintain clamp load under vibration, while the precise 0.39" ID and 1" OD dimensions ensure a perfect fit for 3/8" screw size fasteners, eliminating play and improving assembly accuracy. This combination of material excellence and dimensional precision solves common issues like electrical failure, fluid leakage, and joint loosening in industrial settings.

Specification Summary & Compliance

This flat washer conforms to standard inch system measurements with an Inner Diameter of 0.39", Outer Diameter of 1", and Thickness range of 0.052-0.072". It is manufactured for use with 3/8" screw size and features a material hardness of Rockwell F77. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for global industrial applications.