S-90923A233 M5 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through integrated external-tooth lock washer design, preventing loosening in high-stress applications
• Exceptional corrosion protection with black-oxide coating on both 18-8 stainless steel nut and 400 stainless steel washer
• Precision thread engagement with Class 6H thread fit ensuring reliable, consistent fastening performance
• Optimized for industrial environments featuring coarse metric threading (M5x0.8 mm) for quick installation and removal
• Enhanced assembly integrity with standard hex profile providing secure tool engagement and consistent torque application
• Comprehensive regulatory compliance meeting both RoHS 3 and REACH standards for global industrial use
• Dual-material durability combining the strength of 18-8 stainless steel with the hardness of 400 stainless steel washer

Professional Applications & Engineering Value

This heavy-duty M5 locknut with external-tooth lock washer addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and electrical enclosures. The black-oxide 18-8 stainless steel construction provides superior corrosion resistance while the integrated 400 stainless steel lock washer bites into mating surfaces, creating permanent locking action that withstands extreme dynamic loads. Engineered with Class 6H metric threads and coarse 0.8 mm pitch, this vibration-resistant fastener ensures reliable performance in high-cycle applications where maintenance access is limited. The combination of precision metric hex nut design and locking technology delivers exceptional value for OEMs and MRO professionals requiring durable, compliant fastening solutions.

Specification Summary & Compliance

This M5 locknut features precision Class 6H thread fit with 0.8 mm coarse pitch metric threading, manufactured to standard hex profile dimensions (8mm width, 5.2mm height). The assembly incorporates an external-tooth lock washer with 9.5mm outer diameter, ensuring secure locking performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and global market acceptance for industrial fastener applications.