S-97725A229 0.344" ID x 0.625" OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable performance in electrical connections and grounding applications
• Excellent corrosion resistance ensuring long-term durability in humid or chemically aggressive environments
• Precise dimensional tolerances (ID: 0.344", OD: 0.625") for perfect fit with 5/16" fasteners and consistent load distribution
• Controlled thickness range (0.043-0.057") providing optimal sealing and vibration resistance in plumbing and mechanical assemblies
• Environmentally compliant construction meeting RoHS 3 and REACH standards for safe use in regulated industries
• Natural copper malleability allowing for effective sealing and conformability to irregular surfaces
• Durable material properties maintaining performance under repeated thermal cycling and mechanical stress

Professional Applications & Engineering Value

These copper flat washers deliver critical performance advantages in demanding electrical and plumbing applications where material properties directly impact system reliability. The high-conductivity copper construction ensures minimal energy loss in electrical connections while providing natural corrosion resistance that outperforms many coated steel alternatives. The precise inch system dimensions (5/16" screw size compatibility) guarantee proper fitment in North American equipment, preventing loosening from vibration and maintaining consistent pressure distribution. In plumbing systems, the copper material forms effective seals against fluids and gases, while its malleability compensates for surface imperfections. These flat washers solve common industrial challenges including galvanic corrosion, electrical resistance buildup, and seal failure in high-temperature environments.

Specification Summary & Compliance

This copper flat washer features precise inch-system dimensions with ID: 0.344", OD: 0.625", and thickness range: 0.043-0.057" designed for 5/16" fasteners. The product maintains standard commercial tolerances suitable for most industrial applications. Manufacturing and material compliance includes RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current SVHC requirements as of June 2023, ensuring environmental responsibility and regulatory acceptance across global markets.