S-90997A952 7/16"-20 Flange Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with A286 stainless steel material, ideal for harsh industrial environments and extended service life.
• Superior torque transmission via the external 12-point drive design, reducing tool slippage and enabling precise installation in high-stress applications.
• Reliable vibration resistance thanks to the integrated flange, which eliminates the need for separate washers and distributes load evenly.
• Precise thread engagement with Class 3B fit and UNF fine threading, ensuring tight, secure fastening in critical assemblies.
• High tensile strength from A286 alloy, providing dependable performance under extreme mechanical loads and temperatures.
• Wide compatibility with standard 7/16"-20 UNF components, simplifying inventory and replacement in inch-based systems.
• Optimized flange dimensions (45/64" diameter, 0.11" thickness) for enhanced clamping force and stability in heavy-duty applications.

Professional Applications & Engineering Value

This A286 stainless steel flange nut is engineered to address common industrial challenges such as joint failure under vibration and corrosion-induced degradation. The UNF fine thread with Class 3B fit ensures minimal backlash and superior sealing in precision equipment, while the external 12-point drive allows for high-torque application without rounding, crucial in aerospace, automotive, and heavy machinery sectors. Made from A286 alloy, it maintains strength and oxidation resistance at elevated temperatures, reducing maintenance needs in demanding environments like engine assemblies or structural frameworks. The integrated flange design streamlines installation, saving time and improving reliability in critical applications where safety and durability are paramount.

Specification Summary & Compliance

This flange nut adheres to UNF thread standards with a Class 3B thread fit for precise dimensional accuracy and consistent performance. It meets industry specifications for inch-based fasteners, including compliance with ASME and other relevant engineering standards. The product is manufactured to ensure RoHS and REACH environmental directives, supporting safe and sustainable industrial use.