S-91831A411 10-32 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert technology, ensuring reliable locking performance in high-motion environments
• Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial conditions
• Precise thread engagement with UNF fine threads and Class 2B fit for secure, consistent fastening
• High-temperature compatibility with nylon insert rated up to 220°F, maintaining locking integrity in thermal applications
• Easy installation and removal using standard 3/8" external hex drive for efficient maintenance operations
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe, sustainable usage
• Right-hand thread design providing standardized directional compatibility with common fastening systems

Professional Applications & Engineering Value

This 10-32 nylon insert lock nut delivers critical vibration-resistant performance for demanding industrial applications where loosening under dynamic loads poses significant safety and operational risks. The 18-8 stainless steel construction provides inherent corrosion resistance, making it suitable for chemical processing, marine environments, and outdoor equipment where moisture exposure is common. The UNF fine thread configuration offers superior thread engagement compared to coarse threads, while the Class 2B thread fit ensures consistent installation torque and reliable clamping force. The nylon insert creates consistent friction against the mating bolt, maintaining tension through thermal cycling and mechanical vibration. These engineering characteristics make this locknut particularly valuable for industrial machinery, automotive assemblies, electrical enclosures, and precision equipment where vibration-induced fastener failure must be prevented.

Specification Summary & Compliance

This locknut features 10-32 UNF fine threads with Class 2B thread fit for precision engagement, manufactured to standard hex nut profile with 3/8" external hex drive. The component maintains dimensional accuracy per industry standards and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications.