S-91839A120 10-32 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Flex-Top locking technology that maintains secure fastening in high-motion environments
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh conditions
• Precise thread engagement with Class 2B thread fit ensuring reliable performance and reduced cross-threading risks
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Fine thread configuration (UNF 10-32) delivering enhanced clamping force and superior load distribution
• Environmental compliance meeting RoHS 3 and REACH standards for safe use across regulated industries
• Dimensional consistency with 3/8" width and 1/4" height providing reliable fitment in standard applications

Professional Applications & Engineering Value

This 10-32 UNF locknut with Flex-Top locking technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and electronic enclosures. The 18-8 stainless steel construction provides exceptional corrosion resistance while maintaining structural integrity under thermal cycling and environmental exposure. The external hex drive design ensures straightforward installation with standard tools, reducing assembly time and labor costs. The fine thread configuration offers superior clamping force distribution, making it ideal for precision equipment where vibration resistance and reliable fastening are paramount. Engineered with Class 2B thread fit, this locknut delivers consistent performance in demanding applications while meeting stringent industry standards.

Specification Summary & Compliance

This precision locknut features 10-32 UNF fine threads with Class 2B thread fit for optimal engagement and tolerance control. The right-hand threaded fastener measures 3/8" across flats and 1/4" in height, manufactured to inch system specifications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence for industrial applications. The external hex drive profile and Flex-Top locking mechanism are engineered to maintain secure fastening while providing reliable disassembly capability when required.