S-90736A120 0.148" ID x 0.495" OD High-Pressure Bonded Sealing Washers For Screw Heads and Nuts
High-Pressure Bonded Sealing Washers For Screw Heads and Nuts
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Seal Parameters
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Key Features & Benefits at a Glance
- Superior sealing reliability with permanently bonded PVC plastic sealant that prevents leaks in both fluid and gas systems up to 8500 PSI.
- Exceptional corrosion resistance due to 304 Stainless Steel construction, ensuring long-term performance in harsh environments.
- Wide operational temperature tolerance from -60°F to 270°F, maintaining seal integrity in extreme thermal conditions.
- Optimized for No. 6 screws with a precise 0.148" ID, providing a secure fit and preventing loosening under vibration.
- Enhanced durability from a Rockwell B75 hardness rating, resisting deformation under high clamp loads.
- Environmental and safety compliance as a RoHS 3 Compliant component, safe for use in regulated industries.
- Robust pressure containment with a 0.495" OD, distributing load effectively to protect mating surfaces.
Professional Applications & Engineering Value
This metal bonded washer is engineered to solve critical sealing challenges in industrial applications where fluid and gas containment is paramount. The 304 Stainless Steel base provides excellent corrosion resistance, while the integrally bonded black PVC plastic sealant creates a reliable, permanent barrier against leaks. This design is ideal for hydraulic systems, pneumatic controls, and processing equipment, where pressure spikes up to 8500 PSI and temperature extremes from -60°F to 270°F are common. By combining a metal washer's structural strength with a plastic seal's flexibility, it eliminates the need for separate gaskets, simplifying assembly and reducing potential failure points in demanding fluid and gas sealing scenarios.
Specification Summary & Compliance
This washer features an ID of 0.148", OD of 0.495", and Thickness of 0.06-0.07", designed for a No. 6 screw size in the Inch system. It complies with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances. The Rockwell B75 hardness indicates consistent material quality and durability for reliable performance in high-pressure applications.
