S-90675A009 8-32 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the integrated external-tooth lock washer system that maintains clamping force under dynamic loads
• Enhanced corrosion protection with zinc plating that provides durable surface coverage for extended service life in industrial environments
• Reliable thread engagement with Class 2B fit ensuring consistent performance and easy assembly in coarse UNC threaded applications
• Optimized for high-torque applications featuring external hex drive design that allows for secure wrenching without slippage
• Secure locking performance through the steel external-tooth washer that bites into mating surfaces to prevent rotation loosening
• Industry-standard compatibility with 8-32 UNC coarse threads and right-hand direction for broad application across equipment and machinery
• Regulatory compliance assurance meeting both REACH and RoHS 3 standards for safe use in regulated industrial settings

Professional Applications & Engineering Value

This heavy-duty 8-32 UNC locknut with external-tooth lock washer system addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and electrical enclosures. The zinc-plated steel construction provides essential corrosion resistance while maintaining structural integrity under stress. The coarse thread spacing combined with Class 2B fit ensures rapid installation and reliable performance in high-vibration environments where fine threads might fail. The external hex drive accommodates standard wrenching tools for efficient maintenance access. Engineered for vibration-resistant fastening, this locknut solution prevents costly downtime by maintaining joint integrity in demanding applications from production equipment to transportation systems.

Specification Summary & Compliance

This locknut features precision 8-32 UNC coarse threads with Class 2B fit tolerance for consistent thread engagement. The assembly includes an external-tooth lock washer (0.375" OD) manufactured from steel, complementing the zinc-plated steel nut body. Dimensions include 11/32" width across flats and 5/32" height. The product fully complies with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and workplace safety standards are met for industrial applications.