S-95154A140 10-32 MS21044-N3 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert locking mechanism that maintains clamp force under dynamic loads
• High-temperature performance with nylon insert rated for continuous operation up to 250°F (121°C)
• Exceptional thread engagement with Class 3B thread fit ensuring precise, secure fastening in critical applications
• Enhanced corrosion protection from cadmium yellow-chromate plating that withstands harsh industrial environments
• Reliable reusability with the nylon insert designed for multiple installation cycles without compromising locking performance
• Standard external hex drive for compatibility with common wrenching tools and efficient installation
• Military specification compliance meeting MS21044-N3 standards for quality assurance in demanding applications

Professional Applications & Engineering Value

This 10-32 UNF nylon insert locknut delivers critical vibration resistance in aerospace, automotive, and industrial machinery where secure fastening is paramount. The cadmium yellow-chromate plated steel construction provides excellent corrosion resistance while maintaining structural integrity. The fine UNF threads with Class 3B fit ensure precise engagement with mating components, eliminating backlash and maintaining clamp load under extreme conditions. The nylon insert locking mechanism creates consistent friction that prevents loosening from vibration, thermal cycling, and dynamic loads, making it ideal for engine compartments, control systems, and precision equipment where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to MS21044-N3 military specifications with Class 3B thread fit for superior dimensional accuracy. Features UNF fine threads (10-32) with right-hand direction, 3/8" width across flats, and 9/32" height. The cadmium yellow-chromate plating provides corrosion protection while meeting industry standards for high-temperature applications up to 250°F. Compliant with relevant industrial specifications for vibration-resistant locking fasteners in critical assembly operations.