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The VALUE COLLECTION 1-THN-6C is a nylon insert hex lock nut manufactured from 18-8 stainless steel to the inch measurement system. It features a right-hand thread in a 6-32 UNC thread size, with a height of 9/64 inches and a width across flats of 5/16 inches. The nylon insert collet creates interference with the mating bolt thread, resisting vibration-induced loosening without requiring adhesive or secondary locking hardware. This fastener suits applications in HVAC equipment panels, electrical enclosures, plumbing fixtures, and pool equipment where corrosion resistance and reliable retention are required. Licensed trades and experienced technicians select this grade for stainless fastener systems demanding reusability and moderate corrosion resistance.
The 1-THN-6C is suited for light-duty mechanical assemblies requiring a tamper-resistant, vibration-resistant connection. It is commonly used in sheet-metal equipment panels, control board mounting, junction boxes, and access door hardware across residential and light commercial HVAC, electrical, and plumbing installations. The 18-8 stainless steel construction makes it appropriate for humid or mildly corrosive service environments. This nut ships individually but is sold in a minimum order quantity of 100 pieces, making it practical for shop stocking and service vehicle inventory.
Designed for use with 6-32 UNC right-hand threaded bolts and screws in inch-measurement fastener assemblies. No specific equipment model compatibility is stated by the manufacturer for this fastener.
Installation requires a wrench or nut driver sized for 5/16-inch across flats. De-energize and isolate any electrical or mechanical system before fastener service per applicable NEC or equipment manufacturer guidelines. Do not apply thread-locking compounds to nylon insert lock nuts, as the insert provides the locking function. Avoid over-torquing, which can shear the nylon insert and reduce locking effectiveness.
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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