S-94191A800 5/8"-11 Fed. Spec. FF-N-836, MS51967-21 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capability with Grade 8 strength classification for heavy-duty industrial applications
• Superior corrosion resistance through cadmium yellow-chromate plating that withstands harsh environmental conditions
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance in vibration-prone environments
• Industry-standard compatibility through UNC coarse threading (5/8"-11) that matches common bolt specifications
• Enhanced installation efficiency with standard external hex drive design for straightforward wrench access
• Rigorous quality assurance meeting Fed. Spec. FF-N-836 and MS51967-21 standards for military and aerospace applications
• Dimensional precision with 15/16" width and 35/64" height for consistent fit across assembly operations

Professional Applications & Engineering Value

This Grade 8 hex nut delivers exceptional engineering value through its cadmium yellow-chromate plated steel construction, specifically engineered to address corrosion and high-stress challenges in demanding environments. The UNC coarse thread (5/8"-11) with Class 2B thread fit provides superior vibration resistance and reliable fastening in heavy machinery, construction equipment, and transportation applications. Meeting Fed. Spec. FF-N-836 and MS51967-21 standards, this external hex nut offers predictable performance in critical assemblies where failure is not an option. The right-hand thread design ensures compatibility with standard industrial fastening systems while the cadmium plating extends service life in corrosive conditions.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 15/16" width and 35/64" height, this hex nut maintains Class 2B thread tolerances for optimal fit with mating components. The product complies with Fed. Spec. FF-N-836 and MS51967-21 specifications, ensuring consistent quality and performance in regulated industries. The UNC coarse thread (5/8"-11) follows standardized threading protocols while the Grade 8 classification guarantees high tensile strength for critical fastening applications.