S-90467A135 0.49" ID x 0.88" OD High-Pressure Bonded Sealing Washers For Screw Heads

Key Features & Benefits at a Glance

• Superior sealing performance with bonded fluorocarbon rubber that prevents fluid and gas leaks under extreme pressure conditions
• Exceptional temperature resistance maintains integrity from 0°F to 390°F for reliable operation in thermal cycling environments
• High-pressure capability withstands up to 3300 psi for fluids and 200 psi for gases, ensuring secure fastening in demanding systems
• Corrosion-resistant construction using 304 stainless steel with Rockwell B90 hardness for long service life in harsh industrial settings
• Precision dimensional fit with 0.49" ID and 0.88" OD specifically engineered for 1/2" screws to prevent misalignment
• Durable elastomer seal featuring 75A durometer fluorocarbon rubber that maintains flexibility and sealing force over repeated cycles
• Reliable metal-to-rubber bonding creates a permanent seal that won't separate under vibration or pressure fluctuations

Professional Applications & Engineering Value

This metal bonded washer combines the structural integrity of 304 stainless steel with the exceptional sealing properties of fluorocarbon rubber to solve critical engineering challenges in high-pressure fluid systems and thermal applications. The metal bonded construction eliminates common failure points in traditional sealing methods by creating a permanent bond between the metal washer and elastomer seal, preventing separation under extreme vibration and pressure cycling. Engineered for industrial applications requiring reliable performance in demanding environments, this washer addresses leakage concerns in hydraulic systems, pneumatic equipment, and processing machinery where temperature fluctuations and chemical exposure compromise standard seals. The black fluorocarbon rubber seal provides excellent resistance to oils, fuels, and chemicals while maintaining sealing force across the full temperature range from sub-zero to high-heat conditions.

Specification Summary & Compliance

This metal bonded washer features precision inch system dimensions with 0.49" inner diameter and 0.88" outer diameter, specifically designed for 1/2" screw applications. The component maintains tight thickness tolerance between 0.045-0.055" for consistent performance. Manufactured from 304 stainless steel with Rockwell B90 hardness and bonded with 75A durometer fluorocarbon rubber seal, this washer meets industry standards for high-pressure applications and thermal performance. The product complies with relevant industrial specifications for bonded seals and is suitable for use in systems requiring reliable sealing performance under demanding operating conditions.