PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

Prop Nut Brass Castle Nut For 1" or 1-1/8" Inboard Shafts Slotted Castle Nut

$19.00 $21.95

Inboard Castle Nut - Fits 1" or 1-1/8" shafts. 3/4-10 thread Fits 1" or 1-1/8" shafts. This castle nut can be replaced with a Nylock nut by clicking HERE. Brass...

Inboard Castle Nut - Fits 1" or 1-1/8" shafts.

3/4-10 thread

Fits 1" or 1-1/8" shafts.

This castle nut can be replaced with a Nylock nut by clicking HERE.

  • Brass propeller castle nut

  • Thread size is 3/4-10 pitch

  • Standard size for 1 inch and 1 1/8 inch diameter propeller shaft

  • Nut hex size is 1 3/16 inch

  • Commonly used in older inboard boats and some tow boat applications

Note, if you replace your castle nut with the Nylock Nut, the Nylock Nut will cover up the cotter pin hole as it will no longer be needed and highly recommended over the slotted castle nut!