S-90389A219 5/8"-11 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• Enhanced load distribution from the 1-3/8" flange diameter, reducing surface pressure and preventing material damage
• Reliable thread engagement with Class 2B thread fit, ensuring consistent performance and reducing cross-threading risks
• Efficient installation using the external hex drive, allowing for high torque application and secure fastening
• Quick assembly in coarse thread applications with UNC 5/8"-11 threading, saving time in industrial maintenance and production
• Built-in vibration resistance due to the flange design, minimizing loosening in dynamic or high-stress conditions
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This heavy-duty flange nut is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress loads. The 316 Stainless Steel material offers exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and outdoor applications. The integrated flange design eliminates the need for separate washers, distributing clamp load evenly to prevent joint failure and surface damage. With UNC coarse threads and Class 2B thread fit, it ensures quick, reliable fastening in machinery, structural assemblies, and transportation equipment, reducing downtime and maintenance costs. The external hex drive facilitates easy installation with standard tools, enhancing workflow efficiency in industrial fastener systems.

Specification Summary & Compliance

This flange nut adheres to UNC thread standards with a size of 5/8"-11 and Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The specifications include a flange diameter of 1-3/8", thickness of 0.19", and standard hex profile, manufactured to support reliable performance in various engineering applications.