S-90372A104 5/16"-24 Socket Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for extended service life in harsh environments
• Precise Class 2B thread fit ensures smooth assembly and reliable fastening performance in critical applications
• Fine UNF threading provides enhanced vibration resistance and superior load distribution compared to coarse threads
• Socket head hex design with 5/16" hex key compatibility allows for high-torque installation in confined spaces
• Partial threading optimizes grip length while reducing material usage and overall weight
• Regulatory compliance with REACH and RoHS 3 standards for environmentally responsible manufacturing
• Precision engineering with 0.516" hole diameter compatibility for accurate fitment in industrial assemblies

Professional Applications & Engineering Value

This 5/16"-24 UNF socket head hex nut delivers exceptional engineering value in demanding industrial applications where corrosion resistance and precision threading are critical. The 18-8 stainless steel construction provides reliable performance in corrosive environments, eliminating premature fastener failure in marine, chemical processing, and outdoor equipment applications. The fine UNF thread configuration offers superior vibration resistance compared to coarse threads, making it ideal for machinery, automotive assemblies, and precision instruments where maintaining clamp load is essential. The socket head design with 5/16" hex drive enables high-torque installation in space-constrained applications, while the partial threading ensures optimal engagement without unnecessary material bulk. This combination of features addresses common industrial challenges including corrosion-induced failure, vibration loosening, and installation accessibility limitations.

Specification Summary & Compliance

This precision fastener features Class 2B thread fit per UNF standards, ensuring consistent threading quality and reliable performance. The nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental compliance for global industrial applications. Manufacturing specifications include 0.5" OD, 0.52" height, and 0.29" thread depth, providing dimensional accuracy for precise assembly requirements. The 5/16"-24 UNF fine thread configuration maintains industry-standard spacing and right-hand threading orientation for compatibility with existing fastener systems.