S-94733A743 0.15" ID x 0.312" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior sealing performance with Santoprene rubber construction to prevent fluid and dust ingress in demanding environments
• Excellent vibration damping with 64A Durometer hardness to reduce noise and prevent fastener loosening in machinery
• Broad temperature resilience from -40°F to 270°F for reliable operation in extreme thermal conditions
• Precise dimensional fit with 0.15" ID and 0.312" OD designed specifically for No. 8 screws to ensure proper installation
• Chemical and environmental resistance from Santoprene material for extended service life in harsh industrial settings
• Regulatory compliance assurance with RoHS 3 and REACH standards for safe use in regulated industries
• Consistent thickness control between 0.081-0.105" for uniform pressure distribution and sealing performance

Professional Applications & Engineering Value

This Santoprene rubber flat washer delivers critical engineering solutions where conventional washers fail. The thermoplastic elastomer construction provides exceptional sealing capabilities against moisture, chemicals, and environmental contaminants while maintaining flexibility across extreme temperature ranges from -40°F to 270°F. The 64A Durometer hardness offers optimal compression recovery and vibration damping properties, making it ideal for automotive assemblies, electrical enclosures, and industrial equipment where fastener integrity is paramount. The precise 0.15" ID x 0.312" OD dimensions ensure perfect compatibility with No. 8 screws, eliminating installation issues while the black Santoprene material resists degradation from oils, UV exposure, and ozone, significantly extending maintenance intervals in demanding applications.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.15" internal diameter, 0.312" outer diameter, and thickness ranging from 0.081" to 0.105". Manufactured from Santoprene rubber with 64A Durometer hardness, it's engineered for No. 8 screw applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across multiple sectors.