S-90131A320 0.875" ID x 3" 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 damping and noise reduction with SBR rubber construction, ideal for machinery and equipment applications.
- Excellent durability and load distribution thanks to polyester fiber filler, preventing deformation under pressure.
- Reliable sealing and weather resistance in harsh environments, withstanding temperatures up to 170°F.
- Consistent performance with Durometer 70A hardness, offering optimal flexibility and compression resistance.
- Precise fit for 7/8" screw sizes with 0.875" ID and 3" OD, ensuring easy installation and secure fastening.
- Compliance with RoHS 3 standards, making them safe for use in regulated industrial and electronic settings.
- Versatile for heavy-duty applications, from automotive to construction, due to robust material properties.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these SBR rubber flat washers provide essential solutions for vibration isolation, sealing, and load distribution. The Durometer 70A hardness ensures they maintain shape under compression, reducing wear on connected components. With a polyester fiber filler, they resist tearing and deformation, making them ideal for heavy-duty applications like machinery mounts, automotive assemblies, and outdoor equipment. Their black rubber composition offers weather and chemical resistance, while the precise 0.875" ID and 3" OD in the inch system guarantees compatibility with standard 7/8" screw sizes, streamlining installation in maintenance and manufacturing workflows.
Specification Summary & Compliance
This flat washer features an ID of 0.875", OD of 3", and thickness range of 0.110-0.140", designed for screw size 7/8" with consistent dimensional accuracy. Manufactured from SBR rubber with Durometer 70A hardness and polyester fiber reinforcement, it complies with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and suitability for various industrial uses.