S-95154A170 3/8"-24 MS21044-N6 Locknuts

Key Features & Benefits at a Glance

• Reliable vibration resistance through nylon insert locking technology that maintains secure fastening under dynamic loads
• Enhanced corrosion protection with cadmium yellow-chromate plating that withstands harsh industrial environments
• High-temperature performance with nylon inserts rated for continuous service up to 250°F (121°C)
• Precision thread engagement with Class 3B fit ensuring consistent, reliable performance in critical applications
• Standard external hex design for easy installation and removal using common wrench tools
• Military specification compliance meeting MS21044-N6 standards for quality assurance
• Fine thread configuration (3/8"-24 UNF) providing superior clamping force and resistance to loosening

Professional Applications & Engineering Value

This nylon insert lock nut delivers exceptional performance in demanding applications where vibration resistance and reliability are paramount. The cadmium yellow-chromate plated steel construction provides superior corrosion resistance, making these locknuts ideal for aerospace, automotive, and heavy machinery applications exposed to harsh environments. The MS21044-N6 certification ensures compliance with rigorous military standards, while the Class 3B thread fit guarantees precise engagement and consistent clamping force. The nylon insert locking mechanism effectively prevents loosening from vibration without damaging threads, offering reusable security for critical assemblies. With a 250°F temperature rating and external hex drive for easy installation, these locknuts provide engineered solutions for maintenance professionals and OEM applications requiring dependable fastening performance.

Specification Summary & Compliance

This precision locknut features 3/8"-24 UNF fine threads with Class 3B thread fit for superior engagement and meets MS21044-N6 military specifications. The external hex design measures 9/16" across flats with a 15/32" height profile. Manufactured from cadmium yellow-chromate plated steel for enhanced corrosion resistance, these locknuts maintain performance in demanding conditions. The nylon insert provides reliable locking capability up to 250°F maximum temperature while maintaining right-hand thread direction. Compliant with relevant industrial standards for quality and performance assurance.