S-90652A840 1/2"-13 Locknuts
Locknuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance through premium nylon insert technology that maintains locking performance even under continuous stress
- Enhanced corrosion protection with black corrosion-resistant coated steel construction for extended service life in harsh environments
- Optimized installation profile with extra-wide thin hex design providing greater bearing surface while maintaining low height
- Reliable high-temperature performance with nylon insert rated for maximum 250°F (121°C) operating conditions
- Precision thread engagement with Class 2B thread fit ensuring consistent torque values and secure fastening
- Industry-standard compatibility with 1/2"-13 UNC coarse threads for broad application across equipment and machinery
- External hex drive design for easy installation using standard wrenches and sockets
Professional Applications & Engineering Value
This nylon insert lock nut delivers critical vibration resistance where conventional fasteners fail. The black corrosion-resistant coated steel construction protects against environmental degradation in industrial settings, while the extra-wide thin profile provides superior clamp load distribution without adding bulk. Engineered with UNC coarse threads and Class 2B thread fit, these locknuts maintain precise tolerances for reliable performance in heavy machinery, automotive assemblies, and construction equipment. The nylon insert locking mechanism creates consistent friction that prevents loosening under dynamic loads, making these fasteners ideal for applications subject to continuous vibration or thermal cycling up to 250°F.
Specification Summary & Compliance
This locknut features 1/2"-13 UNC coarse threads with Class 2B thread fit precision manufacturing. Dimensions include 7/8" width across flats and 17/32" height. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality standards. Right-hand thread direction and external hex drive style conform to industry standards for reliable performance across industrial applications.
