S-96371A209 0.625" ID x 1" OD Plastic Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature performance - maintains structural integrity from -200°F to 400°F for reliable operation in extreme thermal environments
• Superior chemical resistance - ePTFE material withstands corrosive substances, extending service life in harsh industrial applications
• Optimal hardness and durability - Durometer 40A rating provides ideal balance between flexibility and load distribution capabilities
• Reliable electrical insulation - non-conductive properties prevent electrical current transmission for enhanced safety
• Precise dimensional compatibility - 5/8" ID and 1" OD ensure perfect fit with standard 5/8" fasteners
• Environmental compliance assurance - RoHS 3 (2015/863/EU) compliant for global regulatory acceptance
• Consistent performance thickness - 0.035-0.070" thickness range provides uniform pressure distribution and sealing effectiveness

Professional Applications & Engineering Value

These ePTFE plastic flat washers deliver critical engineering solutions for demanding applications where conventional washers fail. The expanded PTFE construction provides exceptional chemical resistance against aggressive industrial fluids and solvents, while maintaining performance across extreme temperature fluctuations from cryogenic conditions to high-heat environments. The white plastic washer design offers excellent dielectric properties, making them ideal for electrical assemblies requiring reliable insulation. In chemical processing, aerospace, and semiconductor manufacturing applications, these temperature resistant washers prevent galvanic corrosion between dissimilar metals and maintain sealing integrity where thermal cycling would compromise traditional materials. The Durometer 40A hardness ensures optimal compression recovery and load distribution without damaging sensitive surfaces.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with 0.625" ID and 1" OD, these flat washers maintain consistent 0.035-0.070" thickness for uniform performance. The ePTFE plastic construction meets stringent material specifications with verified Durometer 40A hardness and full compliance with RoHS 3 (2015/863/EU) environmental standards. Engineered for compatibility with 5/8" fasteners, these washers deliver reliable performance across the specified -200°F to 400°F operational range while maintaining dimensional stability and chemical resistance properties.