S-90089A315 0.25" ID x 0.5" OD Plastic Washers
Plastic Washers
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Excellent electrical insulation properties due to hard fiber construction, preventing current leakage in electrical assemblies
- Superior vibration dampening and load distribution for enhanced joint integrity and reduced fastener loosening
- Reliable performance in high-temperature environments, maintaining structural integrity up to 230°F
- Precision dimensional accuracy with 0.25" ID and 0.5" OD ensuring perfect fit for 1/4" screw applications
- Environmentally compliant manufacturing meeting RoHS 3 and REACH standards for global industrial use
- Corrosion-resistant natural properties of hard fiber material eliminating galvanic corrosion risks
- Consistent thickness control (0.014-0.016") for uniform compression and sealing performance
Professional Applications & Engineering Value
This hard fiber flat washer delivers critical engineering solutions across multiple industries where electrical insulation, thermal resistance, and chemical stability are paramount. The gray hard fiber material provides exceptional dielectric properties, making these flat washers ideal for electrical enclosures, control panels, and electronic assemblies where current isolation is essential. Their ability to withstand temperatures up to 230°F ensures reliable performance in automotive, HVAC, and industrial machinery applications. The precise 0.25" ID x 0.5" OD dimensions guarantee perfect alignment with 1/4" screw size fasteners, while the fiber composition naturally resists corrosion and eliminates galvanic reactions between dissimilar metals, extending service life in challenging environments.
Specification Summary & Compliance
Manufactured to inch system standards with precise inner diameter of 0.25", outer diameter of 0.5", and controlled thickness range of 0.014-0.016". Designed specifically for 1/4" screw size applications with temperature resistance up to 230°F maximum. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance for industrial and commercial applications.
