S-90673A118 1"-14 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted top thread locking technology, preventing loosening in high-stress environments
• Enhanced corrosion protection with black-oxide steel finish, extending service life in industrial conditions
• High-strength performance meeting Grade 5 specifications, ensuring reliable fastening under heavy loads
• Precise thread engagement with Class 2B fit and 1"-14 fine thread profile for secure, accurate installation
• Standard external hex drive design for compatibility with common tools and straightforward installation
• Compliance with environmental regulations including REACH and RoHS 3, meeting international safety standards
• Right-hand thread direction with UNS thread type for consistent, industry-standard fastening operations

Professional Applications & Engineering Value

This Grade 5 Black-Oxide Steel Locknut delivers exceptional engineering value through its distorted top lock technology, specifically designed to combat vibration-induced loosening in demanding industrial applications. The 1"-14 fine thread configuration provides increased tensile strength and superior clamping force compared to coarse threads, making it ideal for machinery, automotive assemblies, and structural applications where vibration resistance is critical. The black-oxide surface treatment offers enhanced corrosion resistance without significantly altering dimensional tolerances, while the standard hex profile ensures compatibility with existing tooling systems. This locknut effectively addresses common industrial challenges of fastener failure under dynamic loading conditions, providing reliable, long-term fastening solutions that reduce maintenance requirements and downtime.

Specification Summary & Compliance

This locknut features precision Class 2B thread fit with 1"-14 UNS fine threads and right-hand thread direction. Manufacturing complies with Grade 5 strength classification standards, ensuring consistent mechanical properties. The product meets REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliance requirements, confirming adherence to international environmental and safety regulations. Dimensions include 1 1/2" width and 15/16" height with standard hex profile for uniform installation torque application.