S-91195A130 0.175" ID x 1.5" OD Washdown Bonded Sealing Washers

Key Features & Benefits at a Glance

• Exceptional sealing performance with permanently bonded silicone rubber seal that prevents fluid and gas leakage up to 100 psi
• Superior temperature resistance maintains sealing integrity across extreme environments from -100°F to 400°F
• Corrosion-resistant construction using 18-8 stainless steel base material for long-term durability in harsh industrial conditions
• Reliable mechanical strength with Rockwell B80 hardness rating ensuring consistent performance under load
• Optimized seal flexibility with Durometer 50A silicone providing excellent compression and recovery characteristics
• Precision dimensional fit with 0.175" ID specifically designed for No. 8 screws, ensuring proper installation and function
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for safe use in regulated applications

Professional Applications & Engineering Value

This metal bonded washer combines the structural integrity of 18-8 stainless steel with the exceptional sealing properties of silicone rubber to solve critical industrial challenges. The permanent bond between metal and seal eliminates potential separation issues common in assembled washers, providing reliable performance in extreme temperature applications ranging from cryogenic conditions to high-heat environments. The green silicone seal offers excellent chemical resistance while maintaining flexibility, making these industrial washers ideal for hydraulic systems, pneumatic equipment, and processing machinery where fluid containment is critical. With its 1.5" OD providing ample sealing surface and the precisely sized 0.175" ID ensuring proper fit on No. 8 fasteners, this washer delivers consistent performance in demanding applications including automotive, aerospace, and chemical processing industries.

Specification Summary & Compliance

This No. 8 metal bonded washer features inch system dimensions with 0.175" inner diameter, 1.5" outer diameter, and thickness ranging from 0.047" to 0.109". The construction utilizes 18-8 stainless steel with Rockwell B80 hardness and silicone rubber seal rated at Durometer 50A. 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 applications worldwide.