S-93650A165 0.38" ID x 0.625" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior Sealing & Vibration Dampening – Polyurethane rubber construction with 70A durometer hardness provides excellent compression recovery and shock absorption for extended equipment life.
• Wide Temperature Resilience – Maintains performance integrity across a broad operating range from -10°F to 150°F, suitable for varied industrial environments.
• Crystal Clear & Non-Marring – Transparent design allows for easy inspection and prevents surface damage on sensitive assemblies.
• Precision Inch Sizing – 0.38" ID and 0.625" OD ensure perfect fit for 3/8" screws, reducing installation time and improving load distribution.
• Consistent Thickness Control – 0.085-0.101" thickness range guarantees uniform pressure distribution and reliable sealing performance.
• Regulatory Compliance Assurance – Meets RoHS 3 and REACH standards, ensuring safety in regulated industries and global market acceptance.
• Durable Material Longevity – Polyurethane rubber offers exceptional resistance to wear, oils, and environmental factors compared to standard rubber washers.

Professional Applications & Engineering Value

These clear polyurethane rubber flat washers deliver critical engineering solutions where standard washers fail. The 70A durometer hardness provides optimal flexibility while maintaining structural integrity under compression, making them ideal for vibration isolation in machinery, electrical enclosures, and plumbing assemblies. The temperature-resistant properties ensure reliable performance in both freezing and moderately heated environments, while the transparent material allows for visual verification in precision instrumentation and aesthetic-sensitive applications. Their inch-system dimensions (0.38" ID for 3/8" screws) enable seamless integration into existing North American equipment designs, reducing redesign costs and installation errors.

Specification Summary & Compliance

This flat washer features precise inch-system dimensions: 0.38" inner diameter, 0.625" outer diameter, and thickness ranging 0.085-0.101". Manufactured from polyurethane rubber with a consistent 70A durometer hardness, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring hazardous substance restrictions are met. The washer operates effectively within a temperature range of -10°F to 150°F, making it suitable for standard industrial applications requiring chemical resistance and durability.