S-90131A102 0.25" ID x 0.75" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior vibration damping with SBR rubber construction to reduce noise and prevent equipment fatigue in demanding industrial environments
• Enhanced durability and tear resistance due to polyester fiber reinforcement, extending service life under mechanical stress
• Reliable sealing performance with Durometer 70A hardness providing optimal compression and fluid/air sealing for 1/4" screw applications
• Wide temperature compatibility handling up to 170°F, suitable for various operating conditions without performance degradation
• Precise dimensional fit with 0.25" ID and 0.75" OD ensuring easy installation and consistent performance in inch-system assemblies
• Environmental compliance assurance with RoHS 3 (2015/863/EU) compliance, meeting strict regulatory standards for hazardous substance restrictions
• Versatile industrial application with black SBR rubber material offering excellent resistance to weathering and common industrial fluids

Professional Applications & Engineering Value

This SBR rubber flat washer delivers critical engineering solutions for industrial equipment requiring reliable vibration damping and sealing performance. The Durometer 70A hardness provides ideal compression characteristics that create effective seals against moisture, dust, and air infiltration in 1/4" screw applications. The polyester fiber reinforcement significantly enhances structural integrity, preventing deformation under sustained pressure in machinery, automotive, and electrical enclosures. With a maximum temperature resistance of 170°F, this black rubber washer maintains its sealing properties in various thermal environments, while the inch system dimensions ensure precise compatibility with standard North American equipment specifications.

Specification Summary & Compliance

This flat washer features precise inch-system dimensions with 0.25" ID and 0.75" OD, manufactured to standard flat washer specifications for 1/4" screw sizes. The construction utilizes SBR rubber material with Durometer 70A hardness and polyester fiber filler reinforcement. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring adherence to hazardous substance restrictions. The thickness tolerance of 0.110-0.140" provides consistent performance across production batches, suitable for industrial applications requiring reliable sealing and vibration isolation.