S-94191A250 5/16"-24 Fed. Spec. FF-N-836, MS51968-6 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through cadmium yellow-chromate plating, extending service life in harsh environments
• Maximum load-bearing capacity with Grade 8 strength rating, suitable for high-stress industrial applications
• Precise thread engagement with Class 2B fit and UNF fine threads, ensuring reliable vibration resistance
• Standard external hex drive design for compatibility with common tools and efficient installation
• Rigorous quality assurance through compliance with Fed. Spec. FF-N-836 and MS51968-6 standards
• Superior durability in demanding conditions including automotive and heavy machinery applications
• Right-hand thread configuration for standard installation procedures and maintenance operations

Professional Applications & Engineering Value

These Grade 8 heavy-duty hex nuts deliver critical performance advantages in demanding industrial environments where fastener failure is not an option. The cadmium yellow-chromate plated steel construction provides superior protection against corrosion and chemical exposure, significantly extending maintenance intervals in automotive, construction, and manufacturing applications. The UNF fine thread configuration with Class 2B thread fit ensures precise engagement with mating components, reducing the risk of vibration-induced loosening while maintaining consistent clamping force. Engineered to meet Fed. Spec. FF-N-836 and MS51968-6 standards, these 5/16"-24 external hex drive nuts offer reliable performance in critical assemblies where strength, corrosion resistance, and dimensional accuracy are paramount for operational safety and equipment longevity.

Specification Summary & Compliance

This 5/16"-24 UNF hex nut features precise Class 2B thread tolerances with right-hand fine thread spacing in the inch measurement system. The fastener complies with Fed. Spec. FF-N-836 and MS51968-6 manufacturing specifications, ensuring consistent quality and dimensional accuracy. Manufactured from Grade 8 strength steel with cadmium yellow-chromate plating for enhanced corrosion protection, the standard hex profile measures 1/2" width and 17/64" height for optimal tool engagement and clamping performance.