S-90130A009 0.15" ID x 0.312" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with EPDM rubber construction that prevents fluid and dust ingress in demanding environments
• Excellent vibration damping properties that reduce equipment wear and prevent fastener loosening over time
• Wide temperature resistance from -20°F to 212°F maintains flexibility and performance across various operating conditions
• Precision dimensional fit with 0.15" ID specifically engineered for No. 8 screws ensures proper installation and function
• Optimal material hardness at Durometer 55A provides ideal balance between sealing compression and durability
• Environmental compliance assurance with RoHS 3 (2015/863/EU) compliance for use in regulated industries
• Consistent thickness range of 0.047-0.077" ensures reliable performance and uniform pressure distribution

Professional Applications & Engineering Value

These EPDM rubber flat washers deliver critical engineering solutions where sealing performance and vibration resistance are paramount. The black EPDM material provides exceptional resistance to weathering, ozone, and aging, making these flat washers ideal for outdoor equipment, automotive assemblies, and industrial machinery exposed to environmental elements. With their specific design for No. 8 screws, these washers create reliable seals in electrical enclosures, plumbing connections, and HVAC systems where moisture exclusion is critical. The temperature resistance from -20°F to 212°F ensures consistent performance in both freezing conditions and high-heat applications, while the Durometer 55A hardness provides the perfect balance between compression set resistance and sealing capability without damaging mating surfaces.

Specification Summary & Compliance

These EPDM rubber flat washers feature precise dimensional specifications including 0.15" inner diameter, 0.312" outer diameter, and thickness range of 0.047-0.077" designed specifically for No. 8 screw size applications. Manufactured to inch system measurements with Durometer 55A hardness for consistent performance. The washers are fully RoHS 3 (2015/863/EU) compliant and rated for continuous service across the broad temperature range of -20°F to 212°F, making them suitable for various industrial and commercial applications requiring environmental compliance and thermal stability.