S-90059A031 3/8"-16 Hex Nuts
Hex Nuts
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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
- Exceptional heat resistance – withstands continuous operation up to 500°F without deformation or loss of mechanical properties
- Superior corrosion and chemical resistance – PTFE material ensures reliable performance in harsh industrial environments where metal fasteners would degrade
- Precise, reliable threading – Class 2B thread fit provides consistent engagement and vibration resistance in coarse-threaded applications
- Easy installation and removal – standard external hex drive profile allows for quick assembly using common tools
- Lightweight non-conductive properties – ideal for electrical applications where insulation and weight reduction are critical
- Regulatory compliance assurance – meets RoHS 3 and REACH standards for safe use in regulated industries
- Dimensional stability – maintains 9/16" width and 21/64" height specifications across temperature variations
Professional Applications & Engineering Value
This 3/8"-16 UNC hex nut delivers critical engineering advantages in demanding applications where high-temperature performance and chemical resistance are paramount. The PTFE plastic construction eliminates galvanic corrosion concerns in mixed-material assemblies while providing excellent dielectric properties for electrical enclosures and components. The coarse UNC threading with Class 2B fit ensures rapid installation and secure fastening in vibration-prone environments, from industrial machinery to chemical processing equipment. Unlike metal alternatives, this white plastic nut maintains dimensional stability across thermal cycles, preventing thread galling and seizing common in high-temperature applications up to 500°F.
Specification Summary & Compliance
This inch-system fastener features 3/8"-16 UNC coarse threads with Class 2B thread fit tolerances and right-hand direction. The standard external hex drive profile measures 9/16" across flats with 21/64" height. Manufactured from premium PTFE plastic, the nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial procurement requirements.
