S-97725A226 0.203" ID x 0.375" OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity from pure copper material ensures reliable current flow in electrical assemblies and grounding systems.
• Excellent corrosion resistance makes these washers ideal for harsh, humid, or chemically exposed environments, extending equipment lifespan.
• Precise dimensional fit with 0.203" ID and 0.375" OD provides secure seating and even load distribution for No. 10 screws.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safety and legality for global industrial use.
• Consistent thickness range (0.024-0.038") allows for reliable compression and spacing in assembled components.
• Ideal for electrical and electronic applications where non-magnetic, conductive properties are critical for performance and safety.

Professional Applications & Engineering Value

This copper flat washer is engineered to address common industrial challenges such as galvanic corrosion, electrical resistance, and regulatory compliance. The high-purity copper material provides exceptional electrical conductivity, making it indispensable for electrical connections, busbars, and grounding systems where minimal voltage drop is required. Its natural corrosion resistance protects against degradation in marine, chemical, or outdoor settings, reducing maintenance frequency. The precise inch system dimensions—0.203" ID and 0.375" OD—ensure compatibility with No. 10 screw size fasteners, offering uniform clamping force and preventing loosening under vibration. Combined with RoHS 3 and REACH compliance, this washer meets stringent environmental and safety standards, providing engineers with a reliable, long-lasting solution for demanding electrical applications and corrosive environments.

Specification Summary & Compliance

This flat washer conforms to standard inch dimensional tolerances with an inner diameter of 0.203", outer diameter of 0.375", and thickness ranging from 0.024" to 0.038". It is designed for use with No. 10 screw size fasteners. The washer is manufactured from high-conductivity copper and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries worldwide.