S-90467A131 0.24" ID x 0.505" OD High-Pressure Bonded Sealing Washers For Screw Heads

Key Features & Benefits at a Glance

• Exceptional Sealing Performance - Fluorocarbon rubber seal bonded to 304 stainless steel creates a reliable barrier against fluids and gases, preventing leaks in critical applications
• High-Temperature Resistance - Withstands operating temperatures from 0°F to 390°F, maintaining seal integrity in demanding thermal environments
• Superior Pressure Handling - Rated for 3900 PSI fluid pressure and 200 PSI gas pressure, ensuring reliable performance in high-pressure systems
• Corrosion-Resistant Construction - 304 stainless steel core provides excellent corrosion resistance while Rockwell B90 hardness ensures structural durability
• Optimized Seal Hardness - Durometer 75A seal material offers ideal compression and recovery characteristics for consistent sealing performance
• Precise Dimensional Fit - 0.24" ID and 0.505" OD dimensions ensure perfect compatibility with 1/4" screw sizes for secure installation
• Dual-Material Advantage - Metal-rubber bonding combines the strength of stainless steel with the sealing properties of fluorocarbon rubber

Professional Applications & Engineering Value

This metal bonded washer addresses critical sealing challenges in industrial environments where both mechanical strength and fluid containment are essential. The 304 stainless steel construction provides structural integrity and corrosion resistance, while the fluorocarbon rubber seal delivers exceptional chemical resistance and thermal stability. Engineered for demanding applications in hydraulic systems, pneumatic equipment, and high-temperature machinery, this washer solves common failure points in sealing applications. The bonded design eliminates separate seal components, reducing installation time and preventing assembly errors. With its 390°F temperature rating and 3900 PSI fluid pressure capability, this solution ensures reliable performance in chemical processing, automotive, and industrial manufacturing applications where standard washers would fail.

Specification Summary & Compliance

This metal bonded washer features precise dimensional specifications with 0.24" inner diameter and 0.505" outer diameter, designed specifically for 1/4" screw sizes in inch measurement systems. The construction combines 304 stainless steel (Rockwell B90 hardness) with fluorocarbon rubber seal (Durometer 75A hardness) bonded to create a unified sealing component. The washer operates within a temperature range of 0°F to 390°F and handles maximum pressures of 3900 PSI for fluids and 200 PSI for gases. Manufacturing follows industry standards for metal bonded washers and complies with relevant material specifications for stainless steel and fluorocarbon rubber components used in industrial sealing applications.