S-96100A142 0.325" ID x 0.688" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior Electrical Insulation - Hard fiber construction provides excellent non-conductive properties for safe electrical applications
• Exceptional Durability - Rockwell R70 hardness rating ensures long-lasting performance under heavy mechanical stress
• Precision Fit Guaranteed - 0.325" ID and 0.688" OD dimensions ensure perfect compatibility with 5/16" screws
• High-Temperature Resistance - Withstands temperatures up to 230°F for reliable performance in demanding environments
• Consistent Thickness Control - 0.057-0.067" thickness range provides uniform load distribution and vibration resistance
• Regulatory Compliance Ready - Meets RoHS 3 and REACH standards for international industrial applications
• Optimal Surface Protection - Black hard fiber material prevents galling and protects mating surfaces

Professional Applications & Engineering Value

This hard fiber flat washer delivers exceptional engineering value in demanding industrial environments where electrical insulation, thermal resistance, and mechanical durability are critical. The Rockwell R70 hardness rating ensures the washer maintains structural integrity under heavy compression loads, while the 230°F temperature resistance makes it ideal for electrical panels, motor assemblies, and industrial equipment operating in elevated temperature conditions. The precise 0.325" ID x 0.688" OD dimensions with controlled thickness provide reliable sealing and load distribution for 5/16" screw applications, preventing loosening from vibration and thermal cycling. The hard fiber material's natural lubricity reduces friction during installation and prevents corrosion between dissimilar metals, extending equipment service life in manufacturing, electrical, and heavy machinery applications.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.325" internal diameter, 0.688" outer diameter, and controlled thickness range of 0.057-0.067" for optimal 5/16" screw compatibility. Manufactured from hard fiber material with Rockwell R70 hardness rating, the washer delivers consistent performance across its operational temperature range up to 230°F. The product fully complies with RoHS 3 (2015/863/EU) standards and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.