S-93650A578 0.812" ID x 3" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior chemical resistance for extended service life in harsh industrial environments
• Excellent temperature performance from -10°F to 150°F for reliable operation in varying conditions
• Optimal sealing and vibration damping with Durometer 70A hardness providing perfect balance of flexibility and durability
• Precision dimensional accuracy with 3" OD and 0.812" ID ensuring perfect fit for 3/4" screw applications
• Crystal clear polyurethane construction allows for easy inspection and maintains aesthetic appeal
• Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance
• Consistent thickness control between 0.110-0.140" for uniform load distribution and reliable performance

Professional Applications & Engineering Value

This clear polyurethane rubber flat washer delivers exceptional engineering value across multiple industrial sectors. The polyurethane material provides outstanding resistance to oils, chemicals, and abrasion, making it ideal for industrial applications in manufacturing, automotive, and machinery assembly. The Durometer 70A hardness offers optimal compression recovery and vibration damping, protecting sensitive equipment from shock damage while maintaining secure fastening. The temperature range of -10°F to 150°F ensures reliable performance in both cold storage facilities and heated industrial environments. Specifically designed for 3/4" screw size applications, this washer prevents loosening under dynamic loads and provides excellent sealing properties against moisture and contaminants.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 3" outer diameter, 0.812" inner diameter, and thickness ranging from 0.110" to 0.140" for consistent performance in 3/4" screw applications. Manufactured from polyurethane rubber with Durometer 70A hardness, the washer maintains dimensional stability across its operating temperature range of -10°F to 150°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for international industrial markets.