S-94575A480 1/2"-20 MS51968-14; Fed. Spec. FF-N-836 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium yellow-chromate plating, extending service life in harsh environments
• High tensile strength from Grade 5 steel construction, reliably supporting heavy-duty applications
• Precision fine threading (1/2"-20 UNF) ensures secure, vibration-resistant connections in critical assemblies
• Consistent thread engagement with Class 2B fit, reducing cross-threading risks and installation errors
• Standard external hex drive design for universal tool compatibility and straightforward installation
• Rigorous quality assurance through compliance with MS51968-14 and Fed. Spec. FF-N-836 standards
• Dimensional stability with 3/4" width and 7/16" height, ensuring reliable performance in confined spaces

Professional Applications & Engineering Value

This Grade 5 hex nut delivers exceptional mechanical performance for demanding industrial applications where vibration resistance and long-term reliability are critical. The cadmium yellow-chromate plated steel construction provides superior corrosion protection, making it ideal for outdoor equipment, automotive assemblies, and machinery exposed to moisture or chemicals. The 1/2"-20 UNF fine thread configuration offers enhanced clamping force distribution compared to coarse threads, while the Class 2B thread fit ensures smooth installation without compromising joint integrity. Engineered to meet stringent MS51968-14 and military specifications, this heavy-duty hex nut provides predictable performance in structural connections, power transmission systems, and high-stress fastening applications where failure is not an option.

Specification Summary & Compliance

This hex nut features precision Class 2B thread fit with UNF fine thread specifications (1/2"-20) and right-hand thread direction. Manufactured from Grade 5 steel with cadmium yellow-chromate plating, it complies with MS51968-14 and Fed. Spec. FF-N-836 standards. Dimensional specifications include 3/4" width across flats and 7/16" height. The external hex drive design ensures compatibility with standard wrenching tools while maintaining consistent torque transmission.