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Add to CartWhitecap Nylon Thru-Hull Fittings are constructed of high quality nylon and 316 stainless steel. These thru-hulls include a barb. Whitecap Thru-Hulls are available in a wide range of sizes. See specifications below.
Specifications:
| Part # | Hose Size | Flange O.D. | Thread Length | Barb Length | Overall Length | Cut-Out | Max Hull Thickness |
| S-3801 | 3/4" | 1-7/8" | 1-1/2" | 1" | 3-1/8" | 1-1/4" | 1" |
| S-3802 | 1" | 1-7/8" | 1-9/16" | 1-13/16" | 3-1/8" | 1-3/8" | 1-1/4" |
| S-3803 | 1-1/8" | 2-3/8" | 1-5/8" | 1-7/8" | 3-1/8" | 1-1/4" | 1-1/4" |
| S-3804 | 1-1/4" | 2-3/8" | 1-5/8" | 1-1/2" | 3-3/4" | 1-5/8" | 1-1/4" |
| S-3085 | 1-1/2" | 1-7/8" | 1-5/8" | 1-5/8" | 3-3/4" | 1-1/2" | 1-1/4" |
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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