S-93303A106 0.375" ID x 0.75" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -20°F to 460°F for reliable performance in extreme thermal environments
• Superior sealing and vibration dampening with Durometer 70A hardness for enhanced equipment protection
• Robust material composition combining Aramid Fabric for strength and Buna-N Rubber for flexibility and chemical resistance
• Precise dimensional fit with 0.375" ID and 0.75" OD ensuring compatibility with 3/8" fasteners
• Environmental compliance assurance with RoHS 3 (2015/863/EU) certification for regulated applications
• Optimized thickness range (0.054-0.070") providing consistent compression and load distribution
• High-visibility green color for easy identification and inventory management in industrial settings

Professional Applications & Engineering Value

This high-temperature flat washer addresses critical challenges in demanding industrial environments where thermal cycling and chemical exposure compromise conventional washers. The Aramid Fabric/Buna-N Rubber construction delivers exceptional sealing properties while maintaining structural integrity across a wide temperature range (-20°F to 460°F). The Durometer 70A hardness provides optimal balance between compression set resistance and vibration damping, making it ideal for industrial applications involving heavy machinery, automotive systems, and processing equipment. The combination of material properties ensures reliable performance in high-temperature environments while preventing fastener loosening and fluid ingress, significantly extending equipment service life and reducing maintenance frequency.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.375" inner diameter and 0.75" outer diameter, designed specifically for 3/8" screw applications. The washer maintains consistent thickness between 0.054-0.070" and demonstrates full compliance with RoHS 3 (2015/863/EU) environmental standards. Manufactured to exacting specifications, this component provides reliable performance across the specified temperature range while meeting industrial requirements for chemical resistance and dimensional stability in demanding applications.