S-95154A160 5/16"-24 MS21044-N5 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the durable nylon insert, preventing loosening in high-stress environments
• Enhanced corrosion protection with cadmium yellow-chromate plating, extending service life in harsh conditions
• High-temperature resilience up to 250°F (121°C), maintaining locking performance in thermal cycling applications
• Precise Class 3B thread fit ensuring secure engagement and reduced risk of cross-threading during installation
• Reliable compliance with MS21044-N5 specifications for consistent quality in aerospace and industrial applications
• Fine UNF thread design providing better tension control and improved fatigue resistance compared to coarse threads
• Standard external hex drive allowing for easy installation with common tools while offering high torque capability

Professional Applications & Engineering Value

This 5/16"-24 UNF nylon insert lock nut delivers critical vibration resistance in demanding applications where safety and reliability are paramount. The cadmium yellow-chromate plated steel construction provides superior corrosion protection, making it ideal for aerospace, automotive, and heavy machinery applications exposed to environmental challenges. The nylon insert creates consistent locking force without damaging mating threads, while the Class 3B fine thread ensures precise fitment in high-vibration environments. Engineered to meet MS21044-N5 specifications, this locknut maintains integrity under thermal stress up to 250°F, preventing catastrophic failures in critical assemblies. The combination of vibration-resistant locking and corrosion protection makes this component essential for maintenance-free operation in industrial fastening systems.

Specification Summary & Compliance

This locknut features 5/16"-24 UNF fine threads with Class 3B thread fit for precision engagement, manufactured to MS21044-N5 specifications. The external hex drive (1/2" width) provides standard tool compatibility, while the 23/64" height accommodates space-constrained applications. The nylon insert locking mechanism is rated for continuous service up to 250°F maximum temperature. Compliant with aerospace standards and manufactured using cadmium yellow-chromate plated steel for environmental protection, this component meets industry requirements for reliable performance in critical fastening applications.