S-95856A275 1/2"-13 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism that maintains secure fastening in high-motion environments
• Lightweight yet durable construction using 6061 aluminum alloy for excellent strength-to-weight ratio in demanding applications
• Reliable high-temperature performance with nylon insert rated for continuous service up to 220°F without compromising locking capability
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Precise thread engagement with UNC coarse threading and Class 2B fit ensuring smooth assembly and consistent clamping force
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Optimized dimensional stability with 3/4" width and 19/32" height providing reliable performance in confined spaces

Professional Applications & Engineering Value

This 1/2"-13 nylon insert lock nut delivers exceptional engineering value in applications where vibration-induced loosening poses significant reliability concerns. The 6061 aluminum construction provides corrosion resistance while maintaining structural integrity, making it ideal for aerospace components, electronic enclosures, and transportation equipment where weight reduction is critical. The UNC coarse thread design ensures rapid assembly in production environments, while the nylon insert locking mechanism creates consistent friction that prevents back-off without damaging mating threads. This combination addresses common industrial pain points including maintenance reduction, thread protection, and long-term fastening security in high-temperature applications up to 220°F. The external hex drive facilitates quick installation with standard tools, streamlining assembly processes across manufacturing and maintenance operations.

Specification Summary & Compliance

This locknut features precision UNC coarse threading (1/2"-13) with Class 2B thread fit tolerance for reliable engagement and consistent performance. Manufactured to industry standards for external hex locknuts with right-hand thread direction. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. Dimensional specifications include 3/4" width across flats and 19/32" height for standardized installation requirements.