S-90133A029 0.23" ID x 0.5" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior vibration dampening with Neoprene rubber construction for reduced noise and component wear in dynamic assemblies.
• Excellent sealing capabilities to protect against dust, moisture, and light fluids, enhancing the longevity of your connections.
• Broad temperature resistance from -20°F to 180°F, ensuring reliable performance in both cold and moderately hot environments.
• Optimal material hardness (Durometer 55A) provides a perfect balance of flexibility for sealing and firmness for load distribution.
• Precise dimensional fit with a 0.23" ID and 0.5" OD, designed specifically for 1/4" screws to prevent misalignment and ensure easy installation.
• Chemical and environmental resistance inherent to Neoprene, making it suitable for a wide range of industrial applications.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

This Neoprene rubber flat washer is engineered to solve critical challenges in industrial assembly, such as vibration-induced loosening and environmental sealing failures. Its Durometer 55A hardness and flat washer design provide consistent compression and a reliable seal under 1/4" screw fasteners, preventing leaks and corrosion in electrical enclosures, machinery, and automotive components. The material's innate resistance to oils, weather, and a temperature range from -20°F to 180°F ensures durable performance in demanding conditions, reducing maintenance needs and improving overall assembly reliability. Ideal for use as a sealing washer or vibration-resistant washer, it adds essential engineering value to any project requiring secure, long-lasting fastening solutions.

Specification Summary & Compliance

This flat washer conforms to inch system dimensions with an Inside Diameter (ID) of 0.23", Outside Diameter (OD) of 0.5", and Thickness of 0.078-0.108", ensuring precise fit for 1/4" screw size applications. Manufactured from Neoprene rubber with a Durometer 55A hardness, it meets industry standards for flat washers. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to strict environmental and safety guidelines for hazardous substances.