S-90389A215 3/8"-24 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications.
• Enhanced load distribution and reduced surface pressure with a 7/8" flange diameter, minimizing the risk of material damage.
• Secure and precise thread engagement with Class 2B thread fit and UNF fine thread (3/8"-24), ensuring reliable vibration resistance and leak-proof connections.
• Easy installation and removal using standard tools thanks to the external hex drive and standard hex profile (11/16" width).
• Durable and stable performance with a 0.13" flange thickness and 1/2" height, providing robust clamping force in heavy-duty assemblies.
• Compliance with global regulations, including RoHS 3 and REACH, ensuring safety and environmental responsibility in industrial supply chains.
• Right-hand thread direction for standard assembly processes, facilitating efficient production and maintenance workflows.

Professional Applications & Engineering Value

This 316 stainless steel flange nut is engineered to address critical challenges in demanding industrial settings, such as corrosion-induced failures and joint instability. Its UNF fine thread (3/8"-24) and Class 2B thread fit deliver exceptional sealing and vibration resistance, making it ideal for high-pressure fluid systems, marine equipment, and chemical processing machinery. The integral flange design eliminates the need for separate washers, reducing part count and assembly time while providing a wider bearing surface to prevent loosening under dynamic loads. With external hex drive compatibility, it ensures quick installation in confined spaces, enhancing productivity in automotive, construction, and OEM manufacturing applications where reliability and corrosion resistance are paramount.

Specification Summary & Compliance

This flange nut adheres to inch system standards with a thread size of 3/8"-24 UNF and Class 2B thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Key dimensions include a 7/8" flange diameter, 0.13" flange thickness, 11/16" width, and 1/2" height, manufactured to consistent quality for reliable performance in industrial fastening applications.