S-90467A139 0.864" ID x 1.51" OD High-Pressure Bonded Sealing Washers For Screw Heads

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 304 Stainless Steel construction, ideal for harsh industrial environments
• Reliable sealing performance under extreme pressures up to 3200 PSI for fluids and 200 PSI for gases
• High-temperature durability with a wide operating range from 0°F to 390°F for demanding applications
• Superior mechanical strength from Rockwell B90 hardness, ensuring long-term reliability and load distribution
• Precise dimensional fit with 0.864" ID and 1.51" OD, designed specifically for 7/8" screw size in inch system applications
• Enhanced chemical resistance from the Fluorocarbon Rubber seal with Durometer 75A hardness for consistent performance
• Secure metal-to-rubber bond providing vibration resistance and leak prevention in dynamic assemblies

Professional Applications & Engineering Value

This metal bonded washer combines the structural integrity of 304 Stainless Steel with the sealing capabilities of Fluorocarbon Rubber, addressing critical challenges in high-pressure and high-temperature systems. Engineered for industrial applications such as hydraulic systems, pneumatic equipment, and machinery assemblies, it prevents fluid leakage and maintains seal integrity under fluctuating thermal conditions. The black Fluorocarbon Rubber seal offers excellent resistance to oils, fuels, and chemicals, while the Rockwell B90 hardness ensures the metal component withstands mechanical stress without deformation. By providing a reliable barrier against extreme environments, this washer reduces maintenance downtime and enhances operational safety in heavy-duty washers applications.

Specification Summary & Compliance

This washer meets precise dimensional standards with an ID of 0.864" and OD of 1.51", compatible with 7/8" screw size in inch measurement systems. It adheres to material specifications for 304 Stainless Steel and Fluorocarbon Rubber, with a thickness range of 0.059-0.069" for consistent performance. The product is manufactured to industry standards for pressure and temperature ratings, ensuring reliability in demanding conditions. Compliant with common industrial regulations, it supports applications requiring robust sealing and corrosion resistance.