S-90715A038 3/4"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert that maintains locking force under dynamic loads
• Excellent corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Reliable performance at elevated temperatures with nylon insert rated up to 220°F (104°C)
• Precise thread engagement with Class 2B thread fit ensuring consistent installation torque
• Easy installation and removal with standard external hex drive design
• Fine thread configuration providing better tension control and improved sealing capabilities
• Compliance with environmental regulations including RoHS 3 and REACH for global industrial applications

Professional Applications & Engineering Value

This 316 stainless steel nylon insert locknut delivers exceptional engineering value in demanding applications where vibration loosening poses significant operational risks. The UNF fine thread configuration combined with the nylon insert locking mechanism creates a reliable vibration-resistant fastening solution that maintains clamp load in machinery, automotive, and marine equipment. The corrosion-resistant properties of 316 stainless steel make it ideal for chemical processing, offshore, and food industry applications where exposure to moisture and aggressive substances is common. With temperature resistance up to 220°F, this locknut performs consistently in engine compartments, industrial ovens, and processing equipment where thermal cycling would compromise inferior fasteners.

Specification Summary & Compliance

This heavy-duty locknut features 3/4"-16 UNF fine threads with Class 2B thread fit for precise engagement and consistent torque values. The external hex drive measures 1-1/16" across flats with an overall height of 7/8". Manufactured to industry standards for nylon insert locknuts, this component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while maintaining the mechanical integrity required for critical industrial fastening applications.