S-90098A130 1/2"-13 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism for reliable performance in demanding applications
• Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced tool engagement with extra-wide thin hex profile for easier installation and removal
• High-temperature capability with nylon insert rated up to 250°F for thermal stability
• Precision thread engagement with Class 3B fit ensuring consistent, reliable fastening performance
• Optimized for industrial use with UNC coarse threads providing quick assembly and disassembly
• Compliant with environmental standards including RoHS 3 and REACH for global market acceptance

Professional Applications & Engineering Value

This nylon insert locknut delivers exceptional engineering value in applications where vibration resistance is critical. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining mechanical strength, making it ideal for industrial equipment, machinery, and outdoor applications. The extra-wide thin hex profile offers superior tool engagement for easier installation in confined spaces, while the UNC coarse threads ensure rapid assembly. The nylon insert creates consistent locking force without damaging mating threads, providing reusable vibration-resistant performance that outperforms mechanical locking alternatives. This combination of features makes it particularly valuable for automotive, manufacturing, and construction applications where reliability under dynamic loads is essential.

Specification Summary & Compliance

This locknut features 1/2"-13 UNC coarse threads with Class 3B thread fit for precision engagement and consistent performance. The external hex drive style with extra-wide thin profile measures 7/8" across flats with a height of 17/32". Manufactured from 18-8 stainless steel with right-hand thread direction, this component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for global industrial markets and regulatory requirements.