S-95030A240 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the reliable cotter pin locking mechanism, preventing loosening in high-stress applications
• Enhanced corrosion protection with zinc-plated steel construction, extending service life in harsh industrial environments
• Quick installation and removal with standard external hex drive profile compatible with common wrench tools
• Secure mechanical locking designed for 5/32" cotter pins with precisely machined slots (0.219" min. depth)
• Consistent thread engagement with Class 2B UNC coarse threads ensuring reliable performance in right-hand threaded assemblies
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in global markets
• Optimized dimensional stability with 15/16" width and 35/64" height for precise fit in standard applications

Professional Applications & Engineering Value

This 5/8"-11 UNC castle locknut delivers critical safety in vibration-prone industrial and automotive systems where traditional fasteners fail. The zinc-plated steel construction combats corrosion while maintaining structural integrity under dynamic loads. Engineered with Class 2B thread fit and coarse UNC threading, it ensures rapid assembly without compromising holding power. The cotter pin locking mechanism provides mechanical security that outperforms friction-based alternatives, making it ideal for axle assemblies, steering components, and heavy machinery where unintended loosening could cause catastrophic failure. The external hex drive facilitates maintenance accessibility in confined spaces.

Specification Summary & Compliance

This castle locknut features 5/8"-11 UNC coarse threads with Class 2B thread fit for consistent engagement. Dimensions include 15/16" width and 35/64" height with cotter pin slots accommodating 5/32" diameter pins (minimum slot depth: 0.219", width: 0.18"). Manufactured to industry standards with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety requirements are met for industrial distribution.