S-93303A105 0.375" ID x 0.625" OD Rubber Sealing Washers
Rubber Sealing 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
- Exceptional high-temperature resistance up to 460°F, ensuring reliable performance in demanding thermal environments.
- Superior low-temperature flexibility down to -20°F, preventing brittleness and maintaining seal integrity in cold conditions.
- Optimized material composition with Aramid Fabric and Buna-N Rubber for excellent vibration damping and load distribution.
- Consistent 70A Durometer hardness provides durable sealing and resistance to compression set under prolonged stress.
- Precise dimensional fit with 0.375" ID and 0.625" OD for secure placement on 3/8" screws, reducing installation errors.
- RoHS 3 compliance guarantees environmental safety and meets stringent international regulatory standards.
- Enhanced industrial durability with color-coded green identification for easy part recognition and inventory management.
Professional Applications & Engineering Value
This flat washer combines Aramid Fabric and Buna-N Rubber to address critical challenges in high-temperature and vibration-prone industrial settings. The composite material structure ensures superior sealing performance and resistance to degradation, making it ideal for automotive, aerospace, and heavy machinery applications where thermal cycling and mechanical stress are common. Its ability to maintain Durometer 70A hardness across a wide temperature range from -20°F to 460°F prevents leaks and fastener loosening, reducing maintenance downtime. Engineers benefit from reliable vibration resistance and consistent load distribution, enhancing the longevity of assembled components in industrial washers and sealing systems.
Specification Summary & Compliance
This washer features precise dimensions: 0.375" ID, 0.625" OD, and thickness of 0.054-0.070", designed for use with 3/8" screw size in the inch system. It adheres to standard manufacturing tolerances and is RoHS 3 (2015/863/EU) compliant, ensuring it meets environmental and safety regulations for hazardous substance restrictions.
