S-94191A500 1/2"-13 Fed. Spec. FF-N-836, MS51967-15 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress industrial applications
• Superior corrosion resistance through cadmium yellow-chromate plating, extending service life in harsh environments
• Easy installation and removal with standard external hex profile and 3/4" width for common wrench compatibility
• Secure thread engagement with Class 2B thread fit providing optimal clearance while maintaining vibration resistance
• Quick assembly efficiency with 1/2"-13 UNC coarse thread design that reduces cross-threading risks
• Industry compliance assurance meeting Fed. Spec. FF-N-836 and MS51967-15 standards for quality and reliability
• Dimensional consistency with precise 7/16" height and standardized profile for uniform performance across applications

Professional Applications & Engineering Value

This Grade 8 hex nut delivers exceptional engineering value for heavy machinery, structural steel connections, and industrial equipment where vibration resistance and long-term reliability are critical. The cadmium yellow-chromate plated steel construction provides dual protection against corrosion and galvanic reactions, significantly extending maintenance intervals in outdoor or chemically aggressive environments. The 1/2"-13 UNC coarse thread configuration ensures rapid assembly while maintaining Class 2B thread fit precision, reducing installation time without compromising joint integrity. This combination of high-strength material and protective surface treatment makes it ideal for construction equipment, transportation infrastructure, and manufacturing systems where fastener failure is not an option.

Specification Summary & Compliance

This hex nut features 1/2"-13 UNC coarse thread with Class 2B thread fit tolerances, ensuring proper clearance and engagement with mating components. Manufactured from Grade 8 steel with dimensions of 3/4" width and 7/16" height in the inch system. The fastener complies with Fed. Spec. FF-N-836 and MS51967-15 standards, guaranteeing consistent quality and performance meeting industrial requirements for heavy-duty applications.