The Attwood Stainless Steel Thru-Hull fitting is constructed from durable 316 stainless steel alloy, offering long-lasting corrosion resistance and strength. This straight, barbed fitting features a polished mirror finish on all visible surfaces and is engineered with thick sidewalls to withstand stress and hose movement.
- Designed for above-the-waterline installation only
- Integrated sealant channel under the flange for a secure, easy seal
- Includes a silicone gasket for reliable installation
- Features wrench flats for simple, one-person tightening
- Hose size: 1-1/4 in. inner diameter
- Flange diameter: 2-1/4 in.
- Thread outer diameter: 1-5/8 in.
- Thread length: 2-1/2 in.
- Barb length: 1-1/4 in.
- Total length: 4-1/4 in.
- Installation hole saw size: 1-3/4 in.
- Maximum hull thickness: 1-7/8 in.
- Thread: 1-1/4 in. NPSM
- Manufacturer part number: 66550-3
Product facts
- CT SKU
- CT-114997
- Model / MPN
- 66550-3
- UPC / GTIN
- 022697665508
- Package dimensions
- 2" X 2" X 4"
- Package weight
- 1.3 lb
- Specifications
- Hose Size = 1-1/4"\nMaterial = Stainless Steel
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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