S-92501A425 5/16"-24 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through top lock distorted thread design, preventing loosening in high-stress environments
• Enhanced corrosion protection with cadmium-plated steel construction for extended service life in harsh conditions
• Reliable load-bearing capacity meeting ASTM Grade C strength requirements for heavy-duty applications
• Precise thread engagement with Class 2B thread fit ensuring consistent clamping force and assembly security
• Industry-standard compatibility with 5/16"-24 UNF fine threads for seamless integration into existing systems
• Easy installation and removal using standard wrench tools thanks to external hex drive design
• Right-hand threading providing familiar installation direction for efficient assembly processes

Professional Applications & Engineering Value

This 5/16"-24 UNF locknut delivers critical vibration resistance in demanding industrial applications where mechanical failure is not an option. The cadmium-plated steel construction provides excellent corrosion resistance while maintaining structural integrity, making it ideal for automotive, machinery, and construction equipment exposed to harsh environments. The top lock distorted thread mechanism creates consistent interference that maintains clamp load under extreme vibration, eliminating the need for secondary locking devices. With fine thread spacing and Class 2B thread fit, this external hex locknut ensures precise engagement and uniform stress distribution, reducing the risk of thread stripping and assembly failure in critical joints subject to dynamic loads and thermal cycling.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2B thread fit tolerance for precision engagement. Complies with UNF thread specifications (5/16"-24) and ASTM Grade C strength requirements. Features standard hex profile (1/2" width) with 17/64" height and right-hand thread direction. The cadmium plating provides corrosion protection while maintaining compliance with industrial fastener standards for reliable performance in mechanical assemblies.