1 Spindle Nut (2/Bg)
Tekonsha 5774 Trailer Spindle Nut Kit
Axle Nut Castellated 3/4'' Inch UNF Slotted for 39mm 40mm 45mm
You will generally use a cotter key or tang washer to secure the nut into place and keep the castle nut from backing off while the trailer is in
Trailer Axle Castle Nut 3/4 inch for Trailer Spindles
Trailer Axle Spindle Castle Style Nut for 3/4 inch Spindles
Trailer Axle Castle Nut 3/4 inch for Trailer Spindles
1-14 6-Slot Spindle Castle Nut for Dexter Alko Rockwell Trailer
Trailer Axle Slotted Nut-China Trailer Axle Slotted Nut Manufacturers & Suppliers
Dexter Spindle Nut, 1-3/4 - Husky Trailer Parts Co.
Trailer Spring Price Nut-China Trailer Spring Price Nut Manufacturers & Suppliers
Spindle Nut For Axles With 7/8 14 Castle Nut Redline, 49% OFF
42 Spindle for 5,200-lb to 7,000-lb Trailer Axles - 2-1/4