A-HD1NFSLNUT-AI NUT 1"-14 SLOTTED
A-HD1NFSLNUT-AI NUT 1"-14 SLOTTED
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One New Aftermarket Replacement 1"-14 Slotted Hex Nut for Agricultural and Construction Equipment
This 1"-14 fine-thread slotted hex nut (also known as a castellated nut) is a standard hardware fastener used across a wide range of agricultural, construction, and lawn and garden equipment. Slotted hex nuts feature opposed slots cut through the top of the nut, allowing a cotter pin to be inserted through a drilled bolt shank to lock the nut in place and prevent loosening under vibration or operational stress -- a critical requirement on spindles, axles, tie rods, wheel hubs, and other high-load rotating assemblies.
Specifications
- Thread Size: 1"-14 (1 inch, 14 TPI, fine thread, UNF)
- Style: Slotted hex (castellated)
- Hex Width Across Flats: 1-1/2"
- Nut Thickness: Approx. 55/64"
- Slot Function: Accepts cotter pin for positive locking on drilled-shank fasteners
- Drive Style: External hex
Common Applications
Used on wheel hub spindles, axle spindle ends, tie rod ends, and other assemblies requiring positive nut retention via cotter pin. Compatible with any equipment using a 1"-14 fine-thread drilled bolt or spindle.
New aftermarket replacement part - not remanufactured, not used.



