S-90825A853 4-40 x 3/16" Sealing Stainless Steel Pan Head Phillips Screws
Sealing Stainless Steel Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Reliable sealing performance with integrated fluoroelastomer O-ring to prevent leaks in demanding applications
- Exceptional pressure resistance up to 6000 psi for high-pressure industrial environments
- Wide temperature tolerance from -20° to 400° F maintains sealing integrity across various operating conditions
- Superior corrosion resistance through 18-8 stainless steel construction with passivated surface treatment
- Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Easy installation and removal with Phillips No. 1 drive and rounded pan head design
- Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This 4-40 UNC rounded head Phillips screw with integrated fluoroelastomer O-ring addresses critical sealing challenges in industrial equipment, hydraulic systems, and precision instrumentation. The 18-8 stainless steel construction combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, while the Class 2A thread fit ensures reliable performance in high-vibration environments. Engineered for applications requiring pressure sealing up to 6000 psi across a broad temperature range from -20° to 400° F, this fully threaded fastener delivers consistent sealing performance in fluid handling systems, pneumatic controls, and industrial machinery where leak prevention is critical to operational safety and efficiency.
Specification Summary & Compliance
This sealing screw features 4-40 UNC coarse threads with Class 2A thread fit for precise dimensional accuracy and reliable engagement. The inch system measurement ensures compatibility with standard industrial specifications. Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making this component suitable for global industrial applications requiring environmental and safety compliance standards.
