S-90389A214 5/16"-24 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 thanks to the 3/4" flange diameter, reducing surface pressure and preventing damage to connected materials.
• Reliable fine thread engagement with 5/16"-24 UNF Class 2B fit, ensuring precise, vibration-resistant fastening in critical assemblies.
• Easy installation and removal using standard external hex drive, compatible with common wrenches for efficient maintenance.
• Long-term durability in demanding conditions, backed by the material's resistance to chemicals, moisture, and extreme temperatures.
• Compliance with global standards including RoHS 3 and REACH, ensuring safe, environmentally responsible use in regulated industries.
• Versatile right-hand threading for standard assembly processes, facilitating quick integration into existing systems.

Professional Applications & Engineering Value

This 316 stainless steel flange nut with 5/16"-24 UNF fine thread is engineered to address common challenges in industrial settings, such as corrosion-induced failure and loosening under vibration. The flange design eliminates the need for separate washers, providing a wider bearing surface that distributes clamping force evenly, reducing the risk of material fatigue and joint failure. Made from 316 stainless steel, it offers exceptional resistance to pitting and crevice corrosion in aggressive environments like chemical processing, marine, and food equipment. The Class 2B thread fit ensures consistent engagement with mating bolts, maintaining integrity in high-vibration applications such as machinery, automotive, and structural assemblies. This combination of material and design enhances reliability, minimizes maintenance, and extends service life in heavy-duty industrial applications.

Specification Summary & Compliance

This flange nut features a 5/16"-24 UNF fine thread with Class 2B fit for standard tolerance, ensuring compatibility with corresponding bolts. It adheres to inch system measurements, with a flange diameter of 3/4" and standard hex profile for drive compatibility. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environments requiring strict environmental and safety standards.