S-91862A127 1/2"-28 Panel Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Space-saving thin profile (3/32" height) ideal for applications with limited clearance while maintaining full functionality
• Precise extra fine threading (UNEF 1/2"-28) ensures tighter fit and superior vibration resistance compared to standard threads
• Reliable Class 2B thread fit provides consistent engagement and smooth assembly without compromising structural integrity
• External hex drive design enables quick installation and removal with standard tools, reducing assembly time
• Comprehensive regulatory compliance meets RoHS 3 and REACH standards for global manufacturing applications
• Optimized 5/8" width offers excellent torque transmission and grip surface for secure panel fastening

Professional Applications & Engineering Value

This zinc-plated steel panel nut delivers exceptional performance in precision assembly applications where space constraints and vibration resistance are critical concerns. The UNEF extra fine thread configuration provides superior holding power in thin materials and delicate components, preventing loosening under dynamic loads. Engineered with a thin hex profile, it solves clearance issues in electronic enclosures, control panels, and instrumentation while maintaining full thread engagement. The external hex drive facilitates efficient installation in confined spaces, making it ideal for high-volume production environments. This component excels in telecommunications equipment, aerospace panels, and precision mechanical assemblies where reliable, repeatable fastening is essential.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit ensuring consistent performance across production runs. The UNEF 1/2"-28 thread follows established industrial specifications for extra fine threading applications. Compliant with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations (01/17/2023, 233 SVHC). Dimensions include 5/8" width across flats and 3/32" height with right-hand thread direction for standard installation procedures.