S-91813A190 3/8"-16 MS35649-2382, Fed. Spec. FF-N-836 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to cadmium yellow-chromate plating, extending service life in harsh industrial environments
• Reliable thread engagement with Class 2B fit ensuring smooth assembly and vibration resistance in demanding applications
• Enhanced durability from steel construction, providing long-term performance under heavy loads and stress
• Wide compatibility with 3/8"-16 UNC coarse threads, offering excellent grip and fast installation across various components
• Standard external hex drive design for easy installation and removal using common wrench tools
• Rigorous quality assurance through compliance with MS35649-2382 and Fed. Spec. FF-N-836 standards
• Optimized dimensions (5/8" width, 1/4" height) for balanced strength and space efficiency in assembly designs

Professional Applications & Engineering Value

Engineered for industrial applications where reliability is non-negotiable, these 3/8"-16 UNC hex nuts address critical challenges in machinery assembly, structural frameworks, and heavy equipment. The cadmium yellow-chromate plated steel construction provides exceptional corrosion resistance, preventing fastener failure in humid, chemical, or outdoor environments. With coarse thread design and Class 2B thread fit, these nuts ensure rapid installation and maintain secure connections even under constant vibration—common in automotive, construction, and manufacturing sectors. The external hex drive profile allows for high torque application using standard tools, reducing assembly time while meeting strict MS35649-2382 and FF-N-836 specifications for consistent performance in critical fastening systems.

Specification Summary & Compliance

This hex nut features precise 3/8"-16 UNC coarse threads with Class 2B thread fit per inch system standards, ensuring dimensional accuracy and compatibility. Manufacturing adheres to MS35649-2382 and Federal Specification FF-N-836 requirements, guaranteeing consistent quality and performance. The cadmium yellow-chromate plating on steel provides RoHS and REACH compliant surface protection, while the right-hand thread direction and standard hex profile (5/8" width, 1/4" height) deliver reliable fastening solutions for industrial applications demanding rigorous specification compliance.