S-90130A013 0.195" ID x 0.438" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with EPDM rubber construction that maintains integrity against moisture and contaminants
• Excellent vibration dampening with Durometer 55A hardness to reduce noise and prevent fastener loosening
• Wide temperature resilience from -20°F to 212°F for reliable operation in diverse industrial environments
• Precise dimensional fit with 0.195" ID and 0.438" OD ensuring proper alignment with No. 12 screws
• Consistent compression characteristics with 0.078-0.108" thickness range for uniform load distribution
• Environmental compliance assurance with RoHS 3 (2015/863/EU) compliance for regulated applications
• Long-term durability with black EPDM rubber resisting degradation from UV exposure and weathering

Professional Applications & Engineering Value

These EPDM rubber flat washers deliver critical engineering solutions where standard metal washers fall short. The synthetic rubber composition provides exceptional compression recovery and vibration resistance, making them ideal for automotive assemblies, electrical enclosures, and outdoor equipment where movement and environmental factors compromise fastener integrity. The temperature resistance from -20°F to 212°F ensures consistent performance in both freezing conditions and high-heat applications, while the precise 0.195" ID and 0.438" OD dimensions guarantee proper seating on No. 12 screws. This combination of material properties and dimensional accuracy addresses common industrial challenges including seal degradation, thermal expansion issues, and mechanical vibration-induced failures.

Specification Summary & Compliance

Manufactured to inch system specifications with critical dimensions of 0.195" inner diameter, 0.438" outer diameter, and 0.078-0.108" thickness range. The EPDM rubber material features Durometer 55A hardness for optimal compression and recovery. Compliance with RoHS 3 (2015/863/EU) ensures adherence to hazardous substance restrictions, making these flat washers suitable for regulated industries and international supply chains. Temperature performance certified for continuous operation between -20°F and 212°F.