S-94528A112 4-40 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking technology, preventing loosening in high-stress environments
- Exceptional strength-to-weight ratio with Grade 5 Titanium construction, ideal for weight-sensitive applications
- Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
- Enhanced durability in corrosive environments thanks to titanium's natural corrosion resistance
- Standard external hex drive design for compatibility with common wrenching tools and straightforward installation
- Environmental compliance with RoHS 3 and REACH regulations for safe industrial use
- Coarse UNC thread profile providing excellent engagement and resistance to cross-threading
Professional Applications & Engineering Value
This Grade 5 Titanium nylon insert locknut delivers critical vibration resistance where fastener failure is not an option. The nylon locking element creates consistent friction against the mating thread, maintaining clamp load through extreme vibration cycles that would cause conventional nuts to loosen. The titanium construction offers exceptional strength while reducing component weight—a crucial advantage in aerospace applications and high-performance machinery. The 4-40 UNC coarse thread provides rapid assembly and disassembly while resisting damage in field maintenance scenarios. Engineered for demanding environments where both mechanical performance and material compatibility are paramount, this locknut solves the dual challenges of vibration-induced failure and weight optimization.
Specification Summary & Compliance
This locknut features Class 2B thread fit per UNC standards, ensuring proper clearance and engagement with mating components. The 1/4" width across flats and 9/64" height provide standard dimensional compatibility. Manufactured to precise inch system measurements with right-hand UNC coarse threads. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements for industrial applications.
