S-91435A190 0.203" ID x 0.625" OD Plastic Washers
Plastic 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 thermal stability for reliable performance in extreme environments from -420°F to 450°F
- Superior electrical insulation properties to prevent current leakage and short circuits in electrical assemblies
- Excellent chemical resistance against oils, solvents and corrosive substances for extended service life
- Precise dimensional fit with 0.203" ID specifically engineered for No. 10 screw applications
- RoHS 3 compliance ensuring environmental responsibility and global regulatory acceptance
- Non-metallic construction eliminates galvanic corrosion and magnetic interference issues
- Vivid orange color provides easy visual identification during installation and maintenance
Professional Applications & Engineering Value
This polyimide plastic flat washer delivers critical performance where traditional metal washers fail. Engineered for extreme temperature applications, it maintains structural integrity from cryogenic conditions to high-heat environments, solving thermal expansion mismatch issues in aerospace, automotive, and industrial equipment. The non-conductive properties make it ideal for electrical insulation in power distribution systems, while its chemical resistance ensures longevity in harsh processing environments. The precise 0.203" ID provides secure fitting for No. 10 screws, preventing loosening under vibration and thermal cycling. This inch-system washer offers reliable load distribution without the weight and corrosion concerns of metal alternatives.
Specification Summary & Compliance
This flat washer features precise dimensional specifications with 0.203" inner diameter, 0.625" outer diameter, and controlled thickness between 0.005-0.006". Manufactured from high-performance polyimide plastic in orange color, it is designed specifically for No. 10 screw size applications in the inch measurement system. The product is fully RoHS 3 (2015/863/EU) compliant and operates effectively across an extreme temperature range from -420°F to 450°F.
