S-90131A553 0.5" ID x 2.25" OD Abrasion-Resistant Cushioning Washers
Abrasion-Resistant Cushioning Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration dampening with SBR rubber construction to reduce noise and prevent fastener loosening in machinery
- Excellent chemical and fluid resistance for reliable performance in harsh industrial environments
- Consistent sealing performance with Durometer 70A hardness providing optimal compression and recovery
- Enhanced durability and tear resistance thanks to polyester fiber filler reinforcement
- High-temperature stability maintaining integrity in applications up to 170°F
- Precise dimensional fit with 0.5" ID specifically designed for 1/2" screw sizes
- Environmental compliance assurance with RoHS 3 (2015/863/EU) certification for global market access
Professional Applications & Engineering Value
This SBR rubber flat washer delivers critical engineering solutions where vibration dampening, chemical resistance, and reliable sealing are paramount. The black SBR rubber material with Durometer 70A hardness provides ideal compression characteristics for creating effective seals against moisture, dust, and chemicals while maintaining flexibility. The polyester fiber filler reinforcement significantly enhances structural integrity, preventing deformation under continuous load. These industrial washers are engineered for applications requiring temperature resistance up to 170°F, making them suitable for automotive assemblies, machinery mounts, plumbing systems, and electrical enclosures where consistent performance under thermal cycling is essential.
Specification Summary & Compliance
This flat washer features precise inch system dimensions with 0.5" internal diameter, 2.25" outer diameter, and thickness ranging 0.110-0.140" for optimal fit with 1/2" screw sizes. Manufactured from SBR rubber with Durometer 70A hardness and polyester fiber filler for enhanced mechanical properties. The product is fully RoHS 3 (2015/863/EU) compliant, meeting international restrictions on hazardous substances for industrial applications requiring environmental responsibility and regulatory adherence.
