S-90202A217 5/16"-24 x 1 1/2" ASTM A582 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Precise thread engagement with Class 2B fit and UNF fine thread pattern for secure, vibration-resistant connections
• Full threading design ensures maximum grip length and uniform stress distribution across the entire nut
• Standardized dimensions (1-1/2" length, 27/64" OD) guarantee compatibility with matching threaded rods and components
• Compliance with ASTM A582 ensures material quality, mechanical properties, and manufacturing consistency
• Environmental regulation compliance with RoHS 3 and REACH standards for safe use in regulated industries
• Right-hand threading provides industry-standard installation direction for efficient assembly operations

Professional Applications & Engineering Value

This 5/16"-24 coupling nut delivers exceptional performance in demanding industrial applications where corrosion resistance and thread precision are critical. Manufactured from 18-8 stainless steel with UNF fine threading, it provides superior resistance to chemical exposure and atmospheric corrosion compared to carbon steel alternatives. The fully threaded design and Class 2B thread fit ensure reliable connections between threaded rods in structural frameworks, machinery assembly, and piping systems. Engineers specify this ASTM A582 compliant coupling nut for applications requiring maintained alignment and tensile strength while withstanding vibration and thermal cycling. The combination of corrosion-resistant properties and precise thread spacing makes it ideal for precision equipment, marine hardware, and food processing machinery where material integrity and dimensional accuracy are non-negotiable.

Specification Summary & Compliance

This coupling nut features 5/16"-24 UNF fine threads with Class 2B thread fit per unified thread standards, ensuring precise dimensional tolerances for reliable mating components. The 1-1/2" length and 27/64" outer diameter maintain consistent coupling performance across industrial applications. Manufacturing and material specifications comply with ASTM A582 for stainless steel steel bars. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming restriction of hazardous substances for industrial safety standards.