S-91831A007 6-32 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking technology, preventing loosening in high-motion environments
• Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial conditions
• Reliable high-temperature performance with nylon insert rated for continuous use up to 220°F
• Precise thread engagement with Class 2B fit UNC coarse threads ensuring consistent, secure fastening
• Easy installation and removal using standard external hex drive for efficient maintenance operations
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing applications
• Durable standard hex profile providing maximum wrench engagement and torque transmission

Professional Applications & Engineering Value

This 6-32 nylon insert lock nut delivers critical vibration resistance for industrial equipment, machinery, and automotive assemblies where constant motion threatens fastener integrity. The 18-8 stainless steel construction provides essential corrosion resistance in demanding environments, while the UNC coarse threading with Class 2B fit ensures reliable engagement even with repeated disassembly. The nylon insert creates consistent friction locking that maintains tension without damaging threads, making it ideal for applications requiring frequent maintenance access. With temperature resistance to 220°F, this locknut performs reliably in engine compartments, electrical enclosures, and manufacturing equipment where thermal cycling occurs.

Specification Summary & Compliance

This external hex locknut features precise 6-32 UNC coarse threads with Class 2B thread fit for standard industrial applications. Dimensions include 5/16" width across flats and 11/64" height. Manufactured from 18-8 stainless steel with nylon insert locking mechanism. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use in regulated industries worldwide.