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The VALUE COLLECTION L79NE1011 is a 5/8-11 hex lock nut with a nylon insert locking mechanism, manufactured from grade 18-8 stainless steel. The nylon insert creates interference with mating threads to resist loosening from vibration and torque. At 49/64 inches in height with a 15/16-inch width across flats, this nut conforms to UNC thread standards and is sized for use with standard 5/8-inch fastener assemblies. It is installed by maintenance technicians, plumbers, electricians, and general trade professionals wherever a corrosion-resistant, vibration-resistant fastener is required.
This hex lock nut is suited for residential and light commercial applications where exposure to moisture or mild corrosives makes stainless steel a preferred material over carbon steel. Typical use cases include mechanical equipment mounting, pipe support assemblies, electrical enclosure hardware, and structural fastening in damp or outdoor environments. The right-hand thread direction is standard for the vast majority of threaded fastener applications encountered in trade work.
Designed for use with 5/8-11 UNC right-hand threaded fasteners in standard inch-measurement fastener assemblies.
Installation is performed by hand-threading the nut onto a compatible 5/8-11 UNC bolt or stud, then torquing with a standard hex wrench or socket. De-energize or depressurize any assembly before replacing or tightening fasteners under load. Nylon insert lock nuts are generally intended for single-use applications, as repeated installation and removal degrades the nylon insert and reduces locking effectiveness. Follow applicable mechanical or structural codes for minimum thread engagement requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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