S-90465A312 3-48 x 5/16" 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 from high-quality brass construction, ensuring long-term reliability in demanding environments
- Precise thread engagement with Class 2B thread fit for secure, vibration-resistant connections in industrial assemblies
- Easy installation and removal with external hex drive design compatible with standard wrenches
- Full-threaded design provides maximum grip strength and uniform load distribution across connected components
- Standardized UNC coarse threading (3-48) ensures compatibility with common industrial fasteners and simplified sourcing
- Compact dimensions (1/4" width × 5/16" length) ideal for space-constrained applications while maintaining structural integrity
- Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This brass coupling nut with 3-48 UNC coarse threading and Class 2B thread fit addresses critical challenges in precision assembly applications. The external hex drive enables high-torque installation without stripping, while the fully threaded right-hand design maintains consistent clamping force in vibrating environments. Brass construction provides natural corrosion resistance in plumbing, electrical, and marine applications where galvanic compatibility is essential. The standardized UNC thread form ensures interchangeability with existing industrial components, reducing maintenance downtime and inventory complexity. Engineered for connecting threaded rods, studs, and other fasteners, this coupling nut delivers reliable performance in machinery, instrumentation, and fluid system assemblies where precision threading and material durability are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit for consistent engagement and optimal clearance. Thread specifications conform to UNC 3-48 coarse thread standards with right-hand orientation. Full compliance with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) regulations regarding SVHC substances. Standard coupling nut profile with external hex drive configuration for universal tool compatibility.
