Value Collection R52001651 Hex Lock Nut 3/8 in Grade 2

Product Description

The VALUE COLLECTION R52001651 is a nylon insert hex lock nut designed to resist loosening under vibration and dynamic loads. Built from Grade 2 steel with a zinc-plated finish, this fastener delivers reliable corrosion resistance for general-purpose applications. The nylon collar compresses against the thread flanks to create a prevailing torque that holds the nut in position without the need for secondary locking devices. Measuring 3/16 inches in height with a 3/8-inch width across flats, it follows a standard UNC right-hand thread pattern. Electricians, plumbers, HVAC technicians, and mechanical contractors use this type of nut in equipment assemblies, panel mounting, and structural connections throughout trade and light industrial work.

This hex lock nut is suited for residential and light commercial applications where vibration-resistant fastening is required. Common install scenarios include securing equipment brackets, junction box hardware, pipe hanger assemblies, and mechanical panel components. The zinc-plated finish provides adequate corrosion protection for indoor and sheltered outdoor environments. The UNC thread standard makes it compatible with standard inch-series fastener systems widely used across North American trade applications.

Key Features

• Nylon insert locking style resists loosening under vibration without secondary hardware
• Grade 2 steel construction provides solid strength for general-purpose fastening
• Zinc-plated finish offers corrosion resistance in standard service environments
• UNC right-hand thread pattern matches standard inch-series bolts and studs
• Compact 3/16-inch height suits applications with limited axial space
• 3/8-inch width across flats fits standard hex wrench and socket tooling

Compatibility

Designed as a general-purpose replacement or stocking fastener for use with standard UNC inch-series threaded bolts and studs in residential, commercial, and light industrial equipment assemblies.

Installation Notes

Nylon insert lock nuts are installed by hand-threading onto the mating fastener before driving with a standard hex wrench or socket. Ensure the mating bolt or stud thread class is compatible with UNC specifications before installation. Nylon insert nuts are generally considered single-use; once the nylon collar has been compressed and removed, the prevailing torque retention is reduced and replacement is recommended. Always de-energize and isolate any electrical or mechanical system before servicing fastened connections.