S-94708A133 0.275" ID x 0.625" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: The bonded neoprene rubber seal (Durometer 65A) provides a reliable, flexible barrier against moisture, dust, and air, preventing leaks in critical assemblies.
• Exceptional Corrosion Resistance: The Hot-Dipped Galvanized Steel construction offers a robust protective layer, significantly extending the washer's service life in harsh or outdoor environments.
li>Wide Temperature Tolerance: Withstands extreme conditions from -40°F to 250°F, ensuring consistent performance and seal integrity in both high-heat and freezing applications.
• Dimensional Precision for 1/4" Fasteners: Features a precise 0.275" ID and 0.625" OD for a perfect fit with 1/4" screws, ensuring even load distribution and preventing loosening.
• Environmental & Regulatory Compliance: Meets RoHS 3 and REACH standards, making them safe for use in regulated industries and supporting your company's sustainability goals.
• Robust, All-Metal Design: The metal-bonded structure combines the strength of steel with the sealing properties of rubber, offering a heavy-duty solution that resists compression set.

Professional Applications & Engineering Value

This metal bonded washer is engineered to solve common industrial challenges where vibration, corrosion, and environmental sealing are primary concerns. The Hot-Dipped Galvanized Steel body provides a sacrificial layer that fights rust, making it ideal for outdoor equipment, marine applications, and construction. The integrated black neoprene rubber seal is permanently bonded to the metal, creating a durable, one-piece unit that eliminates the need for separate gaskets and simplifies assembly. This design is critical in electrical enclosures, HVAC systems, and automotive assemblies, where it prevents ingress of water and contaminants, maintains pressure, and reduces maintenance downtime. Its temperature resistance ensures reliability from sub-zero conditions to elevated heat, providing long-term sealing performance and structural integrity.

Specification Summary & Compliance

This washer conforms to Inch system measurements with an Inside Diameter (ID) of 0.275", Outside Diameter (OD) of 0.625", and a Thickness range of 0.179-0.214", designed for a 1/4" screw size. The seal material is specified as Neoprene Rubber with a Durometer 65A hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.