S-95307A807 5/16"-24 MS21042L-5 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted thread locking technology that maintains clamp force in high-stress environments
• Enhanced corrosion protection with cadmium yellow-chromate plating that withstands harsh industrial conditions
• Precision thread engagement with Class 3B fit ensuring reliable, consistent performance in critical applications
• Integrated flange design provides wider bearing surface (0.52" diameter) for improved load distribution
• Pre-lubricated installation with included lubricant reduces friction and prevents galling during assembly
• Industry-standard compliance meeting MS21042L-5 specifications for aerospace and industrial applications
• External hex drive compatibility allows for standard tooling and efficient installation in confined spaces

Professional Applications & Engineering Value

This 5/16"-24 UNF flange lock nut delivers exceptional engineering value through its distorted thread locking mechanism that actively resists loosening under extreme vibration and dynamic loads. The cadmium yellow-chromate plated steel construction provides superior corrosion resistance in demanding environments including aerospace, automotive, and heavy machinery applications. The integrated flange design eliminates the need for separate washers while distributing clamping force over a wider surface area, preventing damage to connected materials. With fine thread spacing and Class 3B thread fit, this nut ensures precise engagement and consistent torque values, making it ideal for applications requiring reliable, maintenance-free fastening solutions where safety and performance are critical.

Specification Summary & Compliance

This flange lock nut features 5/16"-24 UNF fine threads with Class 3B thread fit for precision tolerance and optimal engagement. The product complies with MS21042L-5 military specifications and features a 0.52" flange diameter with 0.04" thickness. Manufactured from cadmium yellow-chromate plated steel, the nut meets industry standards for corrosion resistance and includes lubricant for proper installation. The distorted thread locking technology provides reliable vibration resistance while maintaining compliance with relevant industrial and aerospace fastening requirements.