S-90047A130 3/8"-24 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through center lock distorted thread technology that maintains clamping force in high-stress environments
• Excellent corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh industrial conditions
• Precise thread engagement with Class 2B thread fit ensuring consistent performance and reduced risk of cross-threading
• Easy installation and removal using standard external hex drive compatible with common wrenching tools
• Fine thread design providing better tension control and superior holding power compared to coarse threads
• Right-hand thread orientation for standard installation procedures and compatibility with existing UNF threaded components
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use across global industrial markets

Professional Applications & Engineering Value

This 3/8"-24 UNF center lock distorted thread locknut delivers exceptional engineering value in applications where vibration-induced loosening compromises safety and performance. The 18-8 stainless steel construction provides inherent corrosion resistance, making it ideal for chemical processing, marine environments, and outdoor equipment exposed to moisture. The distorted thread locking mechanism creates consistent friction along the mating threads, eliminating the need for secondary locking devices while maintaining vibration resistance under extreme dynamic loads. With external hex drive compatibility, installation and maintenance are streamlined using standard tools, reducing assembly time and labor costs. The fine thread spacing offers superior tension control for precision applications in automotive, aerospace, and heavy machinery where reliable fastening is critical to operational safety.

Specification Summary & Compliance

This locknut features 3/8"-24 UNF fine threads with Class 2B thread fit for precise dimensional accuracy and reliable engagement. The distorted thread center lock design follows industry-standard locking principles while the external hex drive (9/16" width) and compact profile (21/64" height) ensure compatibility with standard tooling. Manufactured from 18-8 stainless steel, this fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental standards for industrial components.