S-94733A715 0.23" ID x 0.625" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance – Santoprene rubber construction provides excellent compression set resistance, ensuring long-lasting seals in demanding applications
• Exceptional Temperature Resilience – Maintains integrity across a wide operating range from -40°F to 270°F for reliable performance in extreme environments
• Chemical Resistance – Santoprene material offers excellent resistance to oils, chemicals, and environmental factors, extending service life
• Precision Fit for 1/4" Fasteners – 0.23" ID and 0.625" OD dimensions ensure optimal alignment and distribution of load pressure
• Consistent Compression Control – Durometer 64A hardness provides ideal balance between flexibility and load-bearing capacity
• Regulatory Compliance Assurance – Meets RoHS 3 and REACH standards for environmental safety and restricted substance control
• Durable Material Construction – Santoprene rubber offers excellent weathering resistance and mechanical durability for extended service life

Professional Applications & Engineering Value

These Santoprene rubber flat washers deliver critical engineering solutions where conventional washers fail. The thermoplastic elastomer construction combines the sealing properties of rubber with the processing advantages of plastics, making them ideal for industrial applications requiring reliable sealing performance under variable conditions. The material's inherent chemical resistance protects against degradation from oils, fuels, and industrial fluids, while the wide temperature range from -40°F to 270°F ensures consistent performance in both cryogenic and elevated temperature environments. These black rubber washers serve as essential components in heavy-duty applications including automotive assemblies, fluid handling systems, and industrial equipment where vibration damping and environmental sealing are paramount.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.23" inner diameter, 0.625" outer diameter, and thickness ranging from 0.068" to 0.088" for compatibility with 1/4" screw size fasteners. The Santoprene rubber material maintains consistent Durometer 64A hardness throughout its service life. Manufacturing and material compliance includes RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with the latest substance of very high concern (SVHC) updates as of January 17, 2023, ensuring environmental safety and regulatory adherence for global industrial applications.