S-94733A748 0.17" ID x 0.5" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with flexible Santoprene rubber construction that conforms to surfaces for leak-proof connections
• Excellent vibration dampening properties that reduce noise and prevent fastener loosening in dynamic applications
• Wide temperature tolerance from -40°F to 270°F maintains performance in extreme thermal environments
• Chemical resistance against oils, fluids and industrial chemicals for long-lasting reliability
• Precise dimensional fit with 0.17" ID specifically designed for No. 10 screws and 0.5" OD for optimal load distribution
• Consistent hardness rating at Durometer 64A provides ideal balance of flexibility and compression resistance
• Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety requirements are met

Professional Applications & Engineering Value

This Santoprene rubber flat washer delivers critical engineering solutions where standard metal washers fall short. The thermoplastic elastomer construction provides exceptional sealing capabilities while maintaining dimensional stability across extreme temperature fluctuations from -40°F to 270°F. In industrial settings, these black rubber washers effectively solve vibration-induced loosening in machinery, electrical enclosures, and automotive assemblies. The Durometer 64A hardness offers optimal compression set resistance, ensuring long-term sealing integrity in chemical exposure environments. For No. 10 screw applications requiring reliable gasketing and shock absorption, this inch-system washer provides a maintenance-free solution that outperforms conventional materials.

Specification Summary & Compliance

This flat washer features precise inch-system dimensions with 0.17" inner diameter, 0.5" outer diameter, and thickness ranging from 0.081" to 0.105". Manufactured from Santoprene rubber with consistent Durometer 64A hardness, the washer maintains dimensional stability across its specified temperature range. The product fully complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements as of January 2023. Designed specifically for No. 10 screw sizes, this washer meets industrial sealing and vibration control requirements while maintaining regulatory compliance.