S-91831A160 1"-14 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision-engineered nylon insert that maintains locking force under dynamic loads
• Excellent corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• High-temperature performance with nylon insert rated for continuous service up to 220°F (104°C)
• Precise thread engagement with Class 2B thread fit ensuring consistent torque values and secure fastening
• Easy installation and removal using standard wrench tools thanks to the external hex drive design
• Fine thread advantage providing better tension control and reduced loosening in vibration-prone applications
• Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This nylon insert locknut delivers exceptional engineering value in demanding industrial environments where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction provides superior durability against chemical exposure and atmospheric conditions, while the nylon insert locking mechanism maintains consistent clamping force even under extreme vibration. The fine thread configuration (1"-14) offers enhanced load distribution and superior resistance to loosening compared to coarse threads, making it ideal for precision machinery, automotive assemblies, and heavy equipment. The external hex drive allows for efficient installation with standard tools, reducing assembly time while ensuring reliable performance in high-temperature applications up to 220°F.

Specification Summary & Compliance

This locknut features Class 2B thread fit per UNS standards with right-hand fine threads (1"-14) ensuring precise dimensional accuracy. The external hex drive measures 1-7/16" across flats with a height of 1-3/64". Manufactured from 18-8 stainless steel with a nylon insert rated for 220°F maximum temperature. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial fasteners.