S-94191A900 3/4"-16 Fed. Spec. FF-N-836, MS51968-24 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional 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 demanding environments
• Precise thread engagement with Class 2B fit and UNF fine threads, providing vibration-resistant fastening and reduced loosening risk
• Standard external hex design enables easy installation and removal using common wrench tools, saving maintenance time
• Compliance with military and federal specifications (Fed. Spec. FF-N-836, MS51968-24) guarantees consistent quality and interoperability
• Right-hand thread direction ensures compatibility with standard assembly procedures and replacement parts
• Optimal dimensional stability with 1 1/8" width and 41/64" height, maintaining structural integrity under heavy loads

Professional Applications & Engineering Value

This Grade 8 hex nut delivers critical engineering solutions for heavy machinery, structural assemblies, and automotive systems where vibration resistance and long-term reliability are paramount. The cadmium yellow-chromate plated steel construction provides dual protection against corrosion and galvanic reactions, significantly reducing maintenance frequency in exposed industrial environments. The 3/4"-16 UNF fine threads with Class 2B fit create superior clamping force distribution, preventing joint failure in high-vibration applications while maintaining precise alignment. Engineered to meet rigorous military specifications FF-N-836 and MS51968-24, this heavy-duty fastener ensures consistent performance in critical infrastructure, transportation equipment, and manufacturing machinery where safety margins cannot be compromised.

Specification Summary & Compliance

This hex nut features 3/4"-16 UNF fine threads with Class 2B thread fit tolerance, ensuring precise mating with corresponding male threads. Manufactured from cadmium yellow-chromate plated steel with Grade 8 strength certification, the fastener complies with Fed. Spec. FF-N-836 and MS51968-24 standards for dimensional accuracy and material properties. The external hex drive configuration (1 1/8" width) accommodates standard wrenching tools while maintaining 41/64" profile height for optimal strength-to-weight ratio. Meets RoHS and REACH compliance requirements for industrial use.