Attwood Stainless Steel Thru-Hull Short Straight Barbed - 3/4" Inner Diameter is a durable, above-waterline thru-hull fitting designed for a reliable, leak-free connection in boat plumbing. Crafted from certified Enhanced 316 stainless steel, it resists marine corrosion and heavy hose flexing while maintaining a polished, mirror-like finish.
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Material: Certified Enhanced 316 stainless steel for maximum strength and lifetime corrosion resistance.
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Finish: All visible surfaces polished to a mirror finish and passivated for added protection.
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Hose size: 3/4" inner diameter with barbed tail ends to accommodate multiple hose clamps.
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Dimensions: Flange diameter 1-7/8"; Thread O.D. 1"; Thread length 1"; Barb length 1"; Total length 2-1/2"; Install hole saw size 1-1/8"; Max hull thickness 5/8"; Thread NPSM: 3/4".
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Installation features: Short thread design for tight spaces; includes a silicone gasket for a quick, reliable seal; channel under the flange holds a bead of sealant for trouble-free installation; wrench flats or an end notch provide gripping surface for easy tightening from inside the hull.
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Design & versatility: Short straight barbed configuration ideal for installation near corners and in confined spaces; compact, versatile design supports robust clamp compatibility.
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Usage: Designed for installation above the water line only.
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Brand & part: Attwood Marine • Part No: 66541-3 • UPC: 022697665416
This thru-hull fitting delivers a leak-free connection with corrosion-resistant stainless construction, thoughtful sealing features, and a compact footprint that fits tight spaces while still accommodating multiple hose clamps for dependable performance.