S-91839A130 5/16"-24 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Flex-Top locking technology that maintains secure fastening in high-stress environments
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh conditions
• Precise fine thread engagement with 5/16"-24 UNF threading ensuring reliable performance in critical applications
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Consistent thread quality through Class 2B thread fit specification for smooth assembly and optimal performance
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Dimensional reliability with standard 1/2" width and 23/64" height for consistent fit across applications

Professional Applications & Engineering Value

This 5/16"-24 UNF fine thread locknut delivers exceptional engineering value through its specialized Flex-Top locking mechanism that actively resists loosening under vibration and dynamic loads. The 18-8 stainless steel construction provides superior corrosion resistance, making it ideal for harsh environments including marine applications, food processing equipment, and outdoor machinery. The external hex drive ensures straightforward installation with standard tools, while the Class 2B thread fit guarantees precise engagement with mating components. These industrial locknuts solve critical fastening challenges in automotive assemblies, industrial machinery, and electronic enclosures where vibration-induced failure is a primary concern, offering reliable performance that reduces maintenance frequency and downtime.

Specification Summary & Compliance

This precision locknut features 5/16"-24 UNF fine threads with Class 2B thread fit tolerance for optimal engagement. Manufactured to exacting standards with a standard hex profile measuring 1/2" width and 23/64" height. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. The right-hand thread direction and external hex drive style adhere to industry-standard specifications for compatibility and performance consistency.