S-93802A218 0-80 x 3/16" MIL-DTL-18240 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone rubber O-ring provides reliable sealing against fluids and contaminants, rated for pressures up to 6000 psi.
• Vibration-Resistant Locking: Nylon patch thread locker ensures secure fastening in high-vibration environments, maintaining clamp load integrity.
• Corrosion-Resistant Construction: 18-8 stainless steel with passivated finish offers excellent resistance to rust and chemical exposure in harsh industrial settings.
• Precision Thread Engagement: UNF fine threads with Class 2A fit enable accurate installation and consistent torque control in tight-tolerance assemblies.
• Wide Temperature Compatibility: O-ring functions from -80° to 400° F and thread locker from -40° to 225° F, suitable for extreme thermal cycling applications.
• High Tensile Strength: 70,000 psi tensile strength provides durable, reliable fastening for critical high-stress components.
• Streamlined Assembly: Phillips No. 0 drive and rounded pan head design allow for quick installation with standard tools, reducing assembly time.

Professional Applications & Engineering Value

This 0-80 UNF rounded head screw is engineered to address critical challenges in high-pressure and vibration-prone environments. The combination of an 18-8 stainless steel body and passivated finish ensures long-term corrosion resistance, while the silicone rubber O-ring creates a robust seal against leaks in hydraulic systems, pneumatic controls, and fluid handling equipment. The integrated nylon patch thread locker prevents loosening under dynamic loads, making it ideal for aerospace, automotive, and industrial machinery where reliability is paramount. Fully threaded for maximum grip length, this fastener delivers consistent performance in assemblies requiring fine thread precision and sealing integrity up to 6000 psi.

Specification Summary & Compliance

This screw features UNF fine threads with Class 2A tolerance for precise fit, manufactured in compliance with MIL-DTL-18240 specifications. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety standards. The design includes a maximum hole diameter of 0.068" and is fully threaded for optimal engagement in standardized applications.