S-90133A048 0.355" ID x 0.812" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior vibration damping with Durometer 55A hardness, reducing noise and component wear in machinery
• Excellent sealing performance against dust, moisture, and light fluids, thanks to flexible Neoprene Rubber construction
• Broad temperature resistance from -20°F to 180°F, ensuring reliable operation in varying environmental conditions
• Precise dimensional fit with 0.355" ID and 0.812" OD, designed specifically for 3/8" screws to prevent loosening
• Enhanced durability and longevity with consistent 0.078-0.108" thickness, providing uniform pressure distribution
• Full regulatory compliance with RoHS 3 and REACH, making it safe for use in strict industrial and export markets
• Versatile black color and material offering UV and ozone resistance for both indoor and outdoor applications

Professional Applications & Engineering Value

This Neoprene Rubber Flat Washer is engineered to address common industrial challenges such as vibration-induced fastener failure and environmental sealing. Its Durometer 55A hardness provides optimal flexibility, absorbing shocks and reducing maintenance needs in assembly lines, automotive components, and HVAC systems. The material’s inherent resistance to oils, weathering, and compression set ensures long-term performance, while the precise 0.355" ID and 0.812" OD prevent misalignment and leakage. Ideal for electrical enclosures, plumbing fixtures, and machinery mounts, this washer serves as a reliable gasket and insulator, enhancing equipment lifespan and safety in demanding industrial applications.

Specification Summary & Compliance

This flat washer conforms to standard inch system measurements with an inner diameter of 0.355", outer diameter of 0.812", and thickness ranging from 0.078" to 0.108". It is manufactured from Neoprene Rubber with a hardness of Durometer 55A, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial use.