S-94191A114 5/16"-24 Fed. Spec. FF-N-836, MS51968-6 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Maximum load-bearing capacity with Grade 8 strength rating for demanding industrial applications
- Enhanced corrosion resistance through black-oxide steel construction in harsh environments
- Precision thread engagement with Class 2B fine UNF threading for vibration-resistant assemblies
- Superior durability meeting Fed. Spec. FF-N-836 and MS51968-6 military-grade standards
- Environmental compliance assurance with RoHS 3 and REACH regulations for global supply chain integration
- Optimized installation efficiency through standard external hex drive design with 1/2" width
- Reliable right-hand threading for consistent performance in standard assembly operations
Professional Applications & Engineering Value
This Grade 8 black-oxide steel hex nut delivers exceptional engineering value in heavy machinery, automotive, and aerospace applications where vibration resistance and corrosion protection are critical. The 5/16"-24 UNF fine thread configuration with Class 2B fit ensures precise mating with corresponding fasteners, preventing loosening under dynamic loads. The black-oxide surface treatment provides superior protection against oxidation while maintaining dimensional stability. Engineered to meet rigorous Fed. Spec. FF-N-836 and MS51968-6 standards, this hex nut solves common industrial challenges of fastener failure in high-stress environments, making it ideal for structural assemblies requiring long-term reliability and compliance with international environmental regulations.
Specification Summary & Compliance
This 5/16"-24 UNF hex nut features Class 2B thread fit precision with fine thread spacing, manufactured from high-strength black-oxide steel with standard external hex drive (1/2" width, 17/64" height). Compliant with Fed. Spec. FF-N-836 and MS51968-6 manufacturing specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for hazardous substance restrictions.
