S-94140A163 3/4"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through innovative Flex-Top locking technology that maintains tension under dynamic loads
• Excellent corrosion protection with 18-8 stainless steel construction for extended service life in harsh environments
• Space-saving thin profile design (27/64" height) ideal for applications with limited clearance
• Precise thread engagement with Class 2B fit ensuring reliable performance and reduced cross-threading risk
• Enhanced installation efficiency through external hex drive design for standard tool compatibility
• Secure fine thread locking with 3/4"-16 UNF configuration providing superior holding power
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This 3/4"-16 UNF thin Flex-Top locknut delivers exceptional engineering value in demanding industrial environments where vibration-induced loosening compromises safety and performance. The 18-8 stainless steel construction provides inherent corrosion resistance, making it ideal for chemical processing, marine applications, and outdoor equipment exposed to moisture and temperature variations. The Flex-Top locking mechanism creates consistent radial pressure along the thread engagement, effectively dampening vibrations in machinery, automotive assemblies, and power transmission systems. The thin profile design addresses space constraints in compact assemblies while maintaining full locking functionality. With Class 2B thread fit precision and external hex drive compatibility, installation becomes faster and more reliable, reducing assembly time and maintenance costs across manufacturing, aerospace, and heavy equipment sectors.

Specification Summary & Compliance

This precision locknut features 3/4"-16 UNF fine threads with Class 2B thread fit tolerance for optimal engagement and consistent performance. The external hex drive measures 1-1/16" across flats with a total height of 27/64", maintaining a thin profile while delivering full locking capability. Manufactured from 18-8 stainless steel with right-hand thread direction, the component complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for industrial and commercial applications worldwide.