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1" and 1-1/8" Inboard Propeller Shaft Castle Nut Kit Set (1" and 1-1/8" Shaft Size, 3/4 - 10 THREAD)

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MSRP: $24.99
$16.99
(You save $8.00 )
SKU:
NS100CASTLE
Availability:
automatic

Click here to learn how to properly measure your shaft size.

 
Inboard Propeller Castle Nut Set for 1" and 1-1/8" Inboard Propeller Shaft

Nut kit contains the following:
  • Brass heavy pattern castle nut
  • Brass radiused key   (3/4" shaft diameter has 3/16 SS key)
  • Stainless steel cotter pin
  • Commonly found on sailboats with short nut threads
Carry a spare nut set just as you carry a spare propeller.
 
Shaft Hardware Dimensions
Shaft
Diameter
Nut
 Thread Size
Key Width Cotter Pin Sierra Cross #
3/4" 1/2 - 13 3/16" 1/8"  
7/8" 5/8 - 11 1/4" 1/8"  
1" & 1-1/8" 3/4 - 10 1/4" 1/8" 18-3739
1-1/4" 7/8 - 9 5/16" 5/32" 18-3736
1-3/8" 1 - 8 5/16" 5/32"  
1-1/2" 1-1/8 - 7 3/8" 5/32" 18-3734
1-3/4" 1-1/4 - 7 7/16" 3/16"  
2" 1-1/2 - 6 1/2" 3/16"  
2-1/4"
1-3/4 - 5
9/16"
1/4"
 
2-1/2"
3"
1-3/4 -5
2-1/4 - 4-1/2   
5/8"
3/4"
1/4"
1/4"
 

 

 
Note:  Fitting the key to your key way may be required.  A hacksaw and file will do the job.

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