S-90648A265 1 1/2"-6 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking technology that maintains secure fastening under extreme conditions
- Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh environments
- Increased installation torque capacity thanks to the extra wide hex profile that provides better tool engagement
- Reliable high-temperature performance with nylon insert rated up to 250°F (121°C) for demanding applications
- Precise thread compatibility with Class 2B thread fit ensuring smooth installation and consistent performance
- Optimized for heavy-duty use with coarse UNC threads that resist loosening under dynamic loads
- Easy installation and removal with standard external hex drive compatible with common industrial tools
Professional Applications & Engineering Value
This heavy-duty nylon insert lock nut delivers exceptional engineering value in applications where vibration-induced loosening poses significant reliability challenges. The zinc-plated steel construction provides essential corrosion resistance for outdoor equipment, industrial machinery, and transportation applications. The extra wide hex profile enables higher torque application without stripping, while the 1 1/2"-6 UNC coarse threads ensure rapid installation in high-volume assembly operations. The nylon insert creates consistent locking force across the Class 2B thread fit, maintaining clamp load in vibrating systems from construction equipment to agricultural machinery. This combination of features addresses critical failure points in industrial fastening systems where security and durability are paramount.
Specification Summary & Compliance
This locknut features precision Class 2B thread fit with 1 1/2"-6 UNC coarse threads and right-hand thread direction. The external hex drive measures 2 3/8" across flats with a height of 1 59/64". Manufactured to industry standards for nylon insert lock nuts with temperature resistance up to 250°F. The product complies with relevant industrial specifications for dimensional accuracy and performance requirements in mechanical fastening applications.
