S-94240A116 0.2" ID x 0.5" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated neoprene rubber seal ensures reliable leak prevention and environmental protection in demanding conditions.
• Lightweight & Corrosion-Resistant Construction: Made from aluminum, offering excellent strength-to-weight ratio and inherent corrosion resistance without additional plating.
li>Wide Temperature Tolerance: Functions reliably in extreme environments, with a temperature range from -40°F to 250°F, suitable for various industrial settings.
• Optimized Fit & Vibration Resistance: Precisely engineered for 1/4" screws (0.2" ID, 0.5" OD) with a metal bonded design that helps resist loosening under vibration.
• Consistent Seal Durability: Features a Durometer 65A hardness seal, providing a perfect balance of flexibility and compression set resistance for long-term sealing integrity.
• Environmental & Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safety and compliance for global markets and sensitive applications.
• Dimensional Precision: Manufactured to inch system specifications with a controlled thickness (0.176-0.211"), ensuring consistent performance and easy installation.

Professional Applications & Engineering Value

This aluminum washer with a neoprene seal is engineered to solve critical challenges in industrial applications where vibration, thermal cycling, and fluid exposure are common. The metal bonded construction permanently marries the robust aluminum washer to the neoprene rubber seal, eliminating component separation and ensuring a unified sealing surface. This design is vital in electrical enclosures, automotive assemblies, and outdoor machinery, providing a dependable barrier against moisture, dust, and mild chemicals. The black seal color offers UV resistance, while the precise 0.2" ID and 0.5" OD dimensions guarantee a perfect fit for 1/4" screws, streamlining assembly and enhancing the longevity of the fastened connection by distributing load and preventing galvanic corrosion.

Specification Summary & Compliance

This washer conforms to inch system measurements with an Inside Diameter of 0.2", Outside Diameter of 0.5", and a Thickness range of 0.176-0.211". It is designed for use with 1/4" screws. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for industrial use. The seal material is specified as Neoprene Rubber with a hardness of Durometer 65A.