Value Collection B52001657 Hex Lock Nut 7/8-14

Product Description

The VALUE COLLECTION B52001657 is a 7/8-14 UNF hex lock nut with a nylon insert locking mechanism, manufactured from Grade 2 steel with a zinc-plated finish. The nylon insert grips the mating thread to resist loosening under vibration and torque, making it a reliable fastener for mechanical assemblies across HVAC, plumbing, and general industrial applications. Standing 15/32 inches high with a 1-1/4 inch width across flats, this nut is sized for standard wrench tooling and follows right-hand thread convention. It is sold individually, with a minimum order quantity of 10 units.

This hex lock nut is suited for residential and commercial mechanical installations where vibration resistance is required at the fastener level. Typical applications include equipment mounting brackets, blower assemblies, piping supports, and structural hardware connections. The zinc plating provides a base level of corrosion resistance appropriate for indoor and sheltered environments. Installers working in HVAC, refrigeration, and plumbing trades commonly encounter this fastener size in motor mounts and equipment frames.

Key Features

• Nylon insert locking style resists loosening from vibration without additional locking hardware
• 7/8-14 UNF right-hand thread for compatibility with standard unified fine-thread fastener systems
• Grade 2 steel construction provides adequate strength for general mechanical fastening applications
• Zinc-plated finish offers corrosion resistance in sheltered or indoor installations
• 1-1/4 inch width across flats fits standard open-end and combination wrenches
• 15/32 inch height — low-profile form factor for space-constrained assemblies

Compatibility

Designed as an OEM-style replacement or service fastener for any assembly using a 7/8-14 UNF threaded stud or bolt requiring a nylon insert hex lock nut.

Installation Notes

Installation is performed by hand-starting the nut onto a clean, undamaged 7/8-14 UNF threaded fastener, then seating with a standard combination or box-end wrench. Nylon insert lock nuts are generally intended for single-use applications, as repeated removal reduces the locking effectiveness of the insert. Ensure mating threads are free of debris, damage, and corrosion before installation. Follow applicable mechanical or equipment codes for required fastener torque specifications.