S-93650A239 0.53" ID x 2.25" OD Moisture-Resistant Cushioning Washers
Moisture-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 with Durometer 70A hardness polyurethane rubber for extended equipment life and reduced maintenance
- Excellent sealing performance with clear polyurethane material that resists oils, chemicals, and environmental factors
- Wide temperature tolerance from -10°F to 150°F for reliable performance in diverse industrial environments
- Precise dimensional fit with 0.53" ID and 2.25" OD specifically designed for 1/2" screw applications
- Enhanced durability with consistent thickness between 0.085-0.101" for uniform load distribution
- Regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Optical clarity allowing for visual inspection and monitoring in transparent assembly applications
Professional Applications & Engineering Value
These clear polyurethane rubber flat washers deliver exceptional engineering value in demanding industrial applications where both sealing integrity and vibration absorption are critical. The Durometer 70A hardness provides optimal flexibility while maintaining structural integrity under compression, effectively solving common issues of fastener loosening and fluid leakage in machinery. The chemical-resistant polyurethane material withstands exposure to oils, solvents, and industrial fluids, making these flat washers ideal for automotive assemblies, food processing equipment, and electronic enclosures requiring transparent components. Their ability to maintain performance across a temperature range of -10°F to 150°F ensures reliability in both indoor and outdoor industrial environments where thermal cycling occurs.
Specification Summary & Compliance
This flat washer features precise inch system dimensions with 0.53" inner diameter and 2.25" outer diameter, specifically engineered for 1/2" screw size applications. The thickness tolerance of 0.085-0.101" ensures consistent performance under load. Manufactured from polyurethane rubber with Durometer 70A hardness, the washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries and environmentally conscious applications.
