S-90465A328 7/8"-14 x 2 1/2" Coupling Nuts
Coupling 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 with high-quality brass construction, ideal for harsh industrial environments
- Precise thread engagement with Class 2B fit and UNF fine thread for reliable, vibration-resistant connections
- Easy installation and removal using standard tools thanks to the external hex drive design
- Full thread coverage ensures maximum grip strength and uniform load distribution across the entire length
- Compliance with environmental regulations including REACH and RoHS 3, meeting global safety standards
- Durable heavy-duty performance with 1-1/4" width and 2-1/2" length for demanding applications
- Right-hand threading compatibility with standard UNF components for seamless integration
Professional Applications & Engineering Value
This brass coupling nut delivers exceptional engineering value in applications requiring corrosion resistance and reliable torque performance. The UNF fine thread with Class 2B fit provides superior vibration resistance in machinery, automotive, and plumbing systems where loosening under dynamic loads is a concern. The fully threaded design ensures maximum contact surface, distributing stress evenly to prevent premature failure. External hex drive allows for high-torque installation with common tools, reducing assembly time in industrial maintenance and manufacturing. Its brass material naturally resists galvanic corrosion when connecting dissimilar metals, making it ideal for marine, chemical processing, and electrical enclosures where environmental durability is critical.
Specification Summary & Compliance
This coupling nut features precision 7/8"-14 UNF fine threads with Class 2B thread fit per ASME/ANSI standards, ensuring dimensional accuracy and interchangeability. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloys. The component maintains right-hand threading and fully threaded construction with standard external hex drive profile for consistent performance in industrial fastener systems.
