S-90467A205 4.8 mm ID x 9.8 mm OD High-Pressure Bonded Sealing Washers For Screw Heads

Key Features & Benefits at a Glance

• Exceptional chemical and temperature resistance with a fluorocarbon rubber seal that maintains integrity from 0°F to 390°F, ideal for harsh industrial environments.
• Reliable high-pressure sealing performance handling up to 3700 psi for fluids and 200 psi for gases, preventing leaks in demanding applications.
• Durable 304 stainless steel construction with Rockwell B90 hardness, offering excellent corrosion resistance and long-term mechanical stability.
• Optimized seal durability with Durometer 75A hardness, ensuring consistent compression and wear resistance under repeated use.
• Precise M5 metric sizing with 4.8mm ID and 9.8mm OD for accurate fit and easy installation in standard fastener assemblies.
• Metal-bonded design providing a permanent, secure bond between the stainless steel and rubber seal to prevent separation under stress.
• Versatile black fluorocarbon rubber seal suitable for a wide range of fluids and gases, enhancing application flexibility in various industries.

Professional Applications & Engineering Value

This M5 metal bonded washer combines 304 stainless steel with a fluorocarbon rubber seal to address critical sealing challenges in extreme conditions. The metal-bonded construction ensures the seal remains intact under vibration and thermal cycling, preventing failure in high-temperature and high-pressure environments such as hydraulic systems, pneumatic controls, and automotive assemblies. With a temperature range of 0°F to 390°F and pressure resistance up to 3700 psi for fluids, it provides reliable performance in applications involving oils, fuels, and chemicals. The black fluorocarbon rubber offers superior resistance to aging and compression set, making it an essential component for industrial washers used in machinery, plumbing, and aerospace sectors where durability and leak-proof sealing are paramount.

Specification Summary & Compliance

This washer features precise metric dimensions with an ID of 4.8mm and OD of 9.8mm, designed for M5 screw size compatibility. It adheres to standard industrial washer tolerances and is manufactured from 304 stainless steel with a hardness of Rockwell B90 and a fluorocarbon rubber seal rated at Durometer 75A. The product complies with industry specifications for material performance and is suitable for use in systems requiring resistance to fluids and gases. While specific standards such as ASME are referenced in design principles, it meets general requirements for high-temperature and high-pressure applications, ensuring reliability in professional settings.