This Attwood Marine thru-hull fitting is crafted from durable, cast 316 stainless steel to provide long-lasting, corrosion-resistant performance. Featuring a polished mirror finish, this straight, barbed fitting is designed for easy installation and a reliable seal on your boat hull.
Key Features:
- Constructed from enhanced 316 stainless steel alloy for strength and corrosion resistance.
- Designed for installation above the water line only.
- Includes a silicone gasket and an integrated sealant channel under the flange for a secure, leak-free seal.
- Features wrench flats or end notches to allow for single-person installation from inside the hull.
- Barbed tail end provides ample space for multiple hose clamps.
Specifications:
- Hose size: 1 in. inner diameter
- Flange diameter: 2-1/4 in.
- Thread O.D.: 1-3/8 in.
- Thread length: 2-1/4 in.
- Barb length: 1-1/4 in.
- Total length: 3-7/8 in.
- Installation hole saw size: 1-1/2 in.
- Max hull thickness: 1-3/4 in.
- Thread: 1 in. NPSM
- Part number: 66548-3
Product facts
- CT SKU
- CT-112364
- Model / MPN
- 66548-3
- UPC / GTIN
- 022697665485
- Package dimensions
- 3" X 4" X 7"
- Package weight
- 0.8 lb
- Specifications
- Hose Size = 1"\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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