S-1319N13 4-40 x 3/8" Coupling Nuts
Coupling 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
- High-temperature resistance maintains structural integrity up to 250°F for reliable performance in demanding environments
- Superior corrosion resistance with Nylon 6/6 material eliminates rust concerns and extends service life
- Precision Class 2B thread fit ensures smooth assembly and secure connections in critical applications
- External hex drive design provides excellent torque transmission and easy installation with standard tools
- Lightweight plastic construction reduces overall system weight while maintaining mechanical strength
- Full threading capability allows maximum engagement length for stronger, more reliable joints
- Compliance with environmental standards meets RoHS 3 and REACH requirements for global industrial use
Professional Applications & Engineering Value
This Nylon 6/6 plastic coupling nut delivers exceptional engineering value through its unique material properties and precision 4-40 UNC coarse threading. The Nylon 6/6 construction provides excellent electrical insulation and chemical resistance, making it ideal for electrical enclosures, instrumentation, and corrosive environments where metal fasteners would fail. The fully threaded right-hand design with Class 2B fit ensures consistent engagement and reliable performance in vibration-prone applications. With its external hex drive and 250°F temperature rating, this coupling nut solves critical challenges in assembly automation, maintenance accessibility, and thermal management across industrial machinery, automotive systems, and electronic packaging applications.
Specification Summary & Compliance
This coupling nut features precision 4-40 UNC coarse threading with Class 2B thread fit for consistent mating performance. Dimensions include 1/4" width across flats and 3/8" length for standard industrial applications. Manufactured from high-grade Nylon 6/6 plastic with off-white coloration. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance for industrial fastener applications.
