S-94830A139 3/4"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through innovative Flex-Top locking technology that maintains secure fastening under dynamic loads
• Space-saving thin profile design provides reliable locking performance where standard nuts won't fit
• Precision Class 2B thread fit ensures smooth installation and consistent clamping force throughout the assembly
• External hex drive compatibility allows for standard wrenching tools and straightforward installation
• Fine UNF thread spacing delivers enhanced load distribution and superior holding power
• Durable steel construction withstands harsh industrial environments and repeated assembly cycles
• Environmental compliance assurance with RoHS 3 and REACH standards for global manufacturing applications

Professional Applications & Engineering Value

This 3/4"-16 UNF thin profile locknut with Flex-Top locking technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and heavy equipment. The steel construction combined with the external hex drive provides reliable performance in high-stress applications where space constraints demand a thin hex nut profile. The fine thread spacing and Class 2B thread fit ensure precise engagement with mating components, delivering consistent clamping force that prevents back-off in dynamic environments. This engineering solution is particularly valuable in assembly lines requiring repeated disassembly and reassembly while maintaining thread integrity and locking performance.

Specification Summary & Compliance

This locknut features 3/4"-16 UNF fine threads with Class 2B thread fit tolerance, 1-1/16" width across flats, and 27/64" height thin profile design. Manufactured to UNF thread standards with right-hand thread direction and external hex drive configuration. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for use in global industrial applications.