S-93650A149 0.406" ID x 1" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior vibration damping with 70A durometer hardness for reduced equipment wear and noise in industrial settings
• Excellent chemical resistance from polyurethane rubber material protecting against corrosion and fluid degradation
• Wide temperature tolerance from -10°F to 150°F maintains performance in varying operational environments
• Crystal clear visibility allows easy inspection and alignment during installation and maintenance
• Precise dimensional fit with 0.406" ID and 1" OD ensures proper seating on 3/8" screws
• Consistent thickness control (0.085-0.101") provides uniform pressure distribution and sealing performance
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these clear polyurethane rubber flat washers solve critical sealing and vibration challenges where transparency and material integrity are essential. The 70A hardness provides optimal balance between flexibility and load distribution, making them ideal for precision equipment assembly, food processing machinery, and laboratory instruments where visual inspection of underlying components is necessary. Their chemical-resistant polyurethane construction withstands exposure to oils, solvents, and moisture while maintaining dimensional stability across the specified temperature range. The combination of vibration damping properties and reliable sealing capability extends component life in automotive, electronics, and manufacturing applications where screw-fastened assemblies require both mechanical protection and environmental sealing.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.406" inner diameter, 1" outer diameter, and thickness ranging 0.085-0.101" for compatibility with 3/8" screws. Manufactured from polyurethane rubber with 70A durometer hardness, it maintains performance across -10°F to 150°F operational temperatures. The product fully complies with RoHS 3 (2015/863/EU) restrictions and REACH (EC 1907/2006) regulations regarding substance control, ensuring suitability for global industrial supply chains and environmentally conscious manufacturing operations.