S-94733A719 0.29" ID x 0.688" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance prevents moisture and chemical ingress in demanding environments
• Excellent vibration damping reduces equipment wear and extends component lifespan
• Wide temperature tolerance from -40°F to 270°F ensures reliable operation in extreme conditions
• Optimal hardness (Durometer 64A) provides perfect balance between flexibility and compression resistance
• Chemical-resistant Santoprene material withstands exposure to harsh industrial substances
• Precision dimensional fit with 5/16" screw compatibility for secure installation
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This Santoprene rubber flat washer delivers exceptional engineering value in applications where temperature extremes, chemical exposure, and vibration present significant challenges. The thermoplastic elastomer construction maintains its sealing integrity across the broad -40°F to 270°F range, preventing leaks in HVAC systems, automotive assemblies, and outdoor equipment. The Durometer 64A hardness provides optimal compression for creating reliable seals without over-stressing mating surfaces. For industrial maintenance and manufacturing applications, this 5/16 inch washer offers superior vibration resistance that prevents fastener loosening in machinery and equipment subjected to constant motion or impact loads.

Specification Summary & Compliance

This flat washer features precise dimensional specifications with 0.29" ID, 0.688" OD, and thickness ranging from 0.068" to 0.088" for consistent performance. Manufactured to inch system standards for 5/16" screw applications, the washer maintains dimensional stability across its operating range. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use worldwide.