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Prop Shaft Castle Nut 3/4"

Part #: K1951
$14.69
This 3/4"-10 brass castle nut is used on all early 1" diameter shafts (remember the shaft is tapered for the prop so it isn't a 1" nut). A 1-1/4" wrench is used on this nut.
1" shafts were used on all early inboard equipped Catalinas with the exception of the Catalina 250 (which used a sail drive) and the Catalina 42 (which used a 1-1/4" shaft). A 1/4" square key and a cotter pin are also included.

Just a note of interest... Although mild steel and hardened steel castle nuts are readily available, brass castle nuts are not. They must be individually machined for us from a heavy profile, commercial brass nut, hence the surprising cost for a single nut.