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The VALUE COLLECTION -1797-1 is a slotted lock nut designed for secure fastening in general mechanical and structural applications. Manufactured from Grade 2 steel with a zinc-plated finish, this nut provides corrosion resistance suitable for indoor and light-duty outdoor use. The slotted design accepts a cotter pin or safety wire through the castle slots, preventing the nut from backing off under vibration or dynamic load. Thread size is 7/16-14, conforming to Unified National Coarse (UNC) standards. This package contains 25 nuts, making it practical for shop stock, maintenance kits, or small-volume production runs. Installation is performed by plumbers, millwrights, general contractors, and maintenance technicians working on bolted assemblies.
This slotted lock nut is suited for residential and light commercial mechanical assemblies where anti-rotation retention is required. Common applications include machinery, automotive components, agricultural equipment, and general structural fastening where a cotter pin or safety wire is used to positively lock the nut in position. The 7/16-14 UNC thread pattern is widely used across standard inch-measurement fastener systems.
Designed as a standard replacement or stock slotted lock nut for use with 7/16-14 UNC threaded fasteners in general mechanical, structural, and maintenance applications.
Installation should be performed by a qualified technician or mechanic familiar with fastener torque and retention practices. Always de-energize or shut down the assembly before servicing bolted connections. After torquing the nut to the appropriate specification for the application, align the nearest slot with the cotter pin hole in the bolt and insert a properly sized cotter pin to secure the nut. Do not over-torque to force slot alignment, as this can compromise the fastener or joint integrity.
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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