S-90389A116 3/8"-16 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Enhanced load distribution from the 3/4" diameter flange, reducing surface pressure and preventing material damage
• High-strength fastening with UNC coarse threading and Class 2B fit, ensuring reliable performance under heavy-duty conditions
• Efficient torque application through the external hex drive and standard hex profile, enabling quick installation with common tools
• Durable flange design with 0.13" thickness, providing stable vibration resistance and long-term joint integrity
• Right-hand threading compatibility for standard assembly processes, streamlining production and maintenance workflows
• Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable and safe industrial operations

Professional Applications & Engineering Value

This 316 stainless steel flange nut with 3/8"-16 UNC coarse threading delivers exceptional engineering value in demanding applications. The external hex drive allows for high-torque installation, minimizing slippage in assembly lines, while the integrated 3/4" flange eliminates the need for separate washers, reducing part counts and installation time. Made from corrosion-resistant 316 stainless steel, it withstands exposure to chemicals, moisture, and extreme temperatures, making it ideal for industrial machinery, marine equipment, and structural frameworks. The Class 2B thread fit ensures consistent engagement with mating components, preventing loosening under vibration and maintaining heavy-duty performance in automotive, construction, and manufacturing sectors.

Specification Summary & Compliance

This flange nut features precise UNC coarse threads with Class 2B fit for reliable compatibility, and dimensions including a 9/16" width and 11/32" height. It adheres to industry standards for external hex drive and right-hand thread direction, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality in industrial use.