S-90205A322 5-40 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
• Space-saving narrow profile design allows for installation in tight or confined spaces without compromising strength.
• Reliable thread engagement with Class 2B thread fit, ensuring smooth assembly and reduced risk of cross-threading.
• Quick installation and removal thanks to coarse UNC threads and external hex drive, speeding up maintenance and assembly processes.
• Durable performance under stress from the robust inch-based 5-40 thread size, providing secure fastening in industrial machinery.
• Compliance with environmental standards including RoHS 3 and REACH, making it safe for regulated industries and global supply chains.
• Consistent dimensional accuracy with precise 1/4" width and 3/32" height, ensuring compatibility and repeatable results in B2B applications.

Professional Applications & Engineering Value

This 5-40 UNC hex nut in 316 stainless steel is engineered to address common industrial challenges, such as corrosion in aggressive settings and space limitations in compact assemblies. The narrow profile reduces weight and bulk while maintaining integrity, making it perfect for equipment in marine, chemical, and food processing industries where chemical resistance is critical. With a Class 2B thread fit and coarse thread spacing, it ensures fast, reliable fastening that minimizes downtime. The external hex drive allows for easy tool access, enhancing efficiency in maintenance and production lines. By integrating these features, this nut delivers long-term durability and cost savings by reducing replacement frequency and ensuring compliance with stringent industry standards.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent accuracy and a UNC thread type with coarse spacing. It meets manufacturing specifications for inch-based systems, with a width of 1/4" and height of 3/32". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications requiring environmental and safety adherence.