S-91862A557 1/4"-40 Panel Nuts
Panel Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
- Space-saving thin profile with a 1/16" height, perfect for applications with limited clearance without compromising strength
- Precise, vibration-resistant fit due to Class 2B thread tolerance, ensuring secure fastening in high-vibration assemblies
- Enhanced thread engagement with UNS extra fine threading, providing superior holding power in thin materials
- Easy installation and removal using standard tools thanks to the external hex drive design
- Compliance with global standards including RoHS 3 and REACH, ensuring safe use in regulated industries
- Right-hand threading compatibility for straightforward integration into standard assembly processes
Professional Applications & Engineering Value
This 1/4"-40 thin hex panel nut is engineered to solve critical challenges in electronic enclosures, instrumentation panels, and aerospace assemblies where space is constrained and reliability is non-negotiable. The 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, preventing failure in demanding conditions. Its extra fine UNS threading and Class 2B thread fit provide superior grip in thin-gauge panels, reducing the risk of stripping and maintaining clamp load under dynamic stresses. The external hex drive allows for efficient torque application with common wrenches, speeding up installation in high-volume production lines while ensuring consistent performance.
Specification Summary & Compliance
This panel nut features a 1/4"-40 UNS extra fine thread with Class 2B thread fit for precise dimensional accuracy. It measures 5/16" in width and 1/16" in height, conforming to standard inch system specifications. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in environmentally conscious industries.