S-90949A227 5/16"-24 Flange Nuts

Key Features & Benefits at a Glance

• Secure Vibration Resistance - Distorted thread locking technology prevents loosening under dynamic loads and vibration
• Enhanced Load Distribution - 11/16" flange diameter spreads clamping force over wider surface area
• Corrosion-Resistant Protection - Black-oxide steel finish provides durable surface protection in industrial environments
• High-Strength Performance - Grade G classification ensures reliable performance in demanding applications
• Precision Thread Engagement - Class 2B thread fit guarantees consistent, reliable mating with male threads
• Easy Installation & Removal - Standard external hex drive design allows for conventional tooling access
• Regulatory Compliance - Meets RoHS 3 and REACH environmental standards for global manufacturing

Professional Applications & Engineering Value

This Grade G flange locknut with distorted thread locking technology addresses critical vibration-induced loosening challenges in industrial assemblies. The black-oxide steel construction provides superior corrosion resistance while maintaining the mechanical properties required for heavy-duty applications. The integrated 11/16" flange eliminates the need for separate washers, distributing clamp load effectively and preventing surface damage. Engineered with 5/16"-24 UNF fine threads and Class 2B fit, this nut ensures precise engagement in automotive, machinery, and equipment manufacturing where vibration resistance and reliable fastening are paramount. The external hex drive design accommodates standard wrenching tools for efficient installation in confined spaces.

Specification Summary & Compliance

This flange locknut features 5/16"-24 UNF fine threads with Class 2B thread fit tolerance, ensuring precise mating compatibility. Manufactured to Grade G strength classification standards with right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental requirements for hazardous substance restrictions. The black-oxide steel construction provides consistent performance while maintaining regulatory compliance for industrial applications worldwide.