S-90730A006 5-40 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
- Excellent thread engagement with Class 2B thread fit for secure fastening and reduced risk of cross-threading
- Quick installation and removal with coarse UNC threading, ideal for high-vibration applications
- Space-saving design with narrow profile and compact 1/4" width for confined assembly spaces
- Enhanced torque transmission through external hex drive design for reliable tightening with standard tools
- Environmental compliance assurance with RoHS 3 and REACH compliance for industrial safety standards
- Dimensional precision with consistent 3/32" height for uniform clamping force distribution
Professional Applications & Engineering Value
This 5-40 UNC hex nut in 18-8 stainless steel delivers exceptional performance where corrosion resistance and reliability are paramount. The Class 2B thread fit ensures consistent engagement with mating components, reducing assembly errors in high-volume production environments. Its coarse thread design provides superior resistance to vibration loosening, making it ideal for machinery, automotive, and electrical enclosures exposed to dynamic stresses. The narrow profile accommodates space-constrained applications while maintaining full external hex drive functionality. Engineered for industrial durability, this right-hand threaded nut withstands chemical exposure and maintains integrity in temperature-variable conditions, offering long-term value for maintenance and OEM applications.
Specification Summary & Compliance
This hex nut features precision UNC coarse threads with Class 2B thread fit per ASME B18.2.2 standards, ensuring dimensional accuracy and interchangeability. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety. The inch-system specification maintains 1/4" width and 3/32" height tolerances for consistent performance across industrial fastener applications.
