S-93298A130 3/8"-16 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance with nylon insert locking that maintains secure fastening under dynamic loads
• Enhanced durability through zinc-plated steel construction providing corrosion resistance for industrial environments
• High-temperature performance with nylon insert rated to 250°F (121°C) for demanding applications
• Reliable thread engagement with UNC coarse threads and Class 2B fit ensuring consistent installation
• Integrated flange design eliminates need for separate washers while distributing load over wider surface area
• Grade F strength classification delivers consistent mechanical performance for heavy-duty applications
• External hex drive enables standard tool compatibility for efficient installation and removal

Professional Applications & Engineering Value

This Grade F nylon insert lock flange nut combines multiple engineering solutions to address common industrial fastening challenges. The zinc-plated steel construction provides essential corrosion protection while maintaining the mechanical strength required for heavy-duty applications in manufacturing, machinery, and transportation equipment. The integrated 0.81" flange diameter distributes clamping force effectively, reducing surface pressure and preventing damage to connected materials. The nylon insert locking mechanism delivers consistent vibration resistance without compromising the UNC coarse thread integrity, making it ideal for equipment subject to constant motion or thermal cycling. With its 250°F temperature rating and standardized external hex drive, this fastener maintains reliability across diverse operating conditions while ensuring compatibility with common installation tools.

Specification Summary & Compliance

This flange lock nut features 3/8"-16 UNC coarse threads with Class 2B thread fit for consistent engagement and proper clearance. The nut meets Grade F strength classification requirements and incorporates a standardized external hex drive profile. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. Physical dimensions include 0.81" flange diameter, 0.06" flange thickness, 9/16" width across flats, and 13/32" height for standardized application across industrial assemblies.