Attwood's Stainless Steel Thru-Hull Standard Straight Barbed fitting delivers rugged reliability for above-waterline hose connections. Crafted from certified Enhanced 316 stainless steel, it combines long-term corrosion resistance with a mirror-polished finish for a premium look.
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{Feature name}: Material — Certified Enhanced 316 stainless steel alloy for maximum strength and lifetime corrosion resistance.
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{Feature name}: Finish — All visible surfaces polished to a mirror finish, then passivated for additional protection.
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{Feature name}: Design and Grip — Standard straight barbed thru-hull with wrench flats or an end notch for gripping; one installer can tighten all connections from inside the hull.
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{Feature name}: Size and Thread Details — Hose size 1-1/8" ID; flange diameter 2-1/4"; thread O.D. 1-3/8"; thread length 2-3/8".
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{Feature name}: Barb and Overall Length — Barb length 1-1/4"; total length 3-7/8".
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{Feature name}: Seal Channel and Gasket — Includes silicone gasket; a channel under the flange holds a bead of sealant to simplify achieving a leak-free seal.
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{Feature name}: Installation Fit — Hole saw size 1-1/4"; max hull thickness 1-3/4".
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{Feature name}: Clamping and Connectivity — Barbed tail ends offer ample room to secure multiple clamps for a leak-free connection.
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{Feature name}: Brand and Part — Attwood Marine, Part No: 66549-3; UPC: 022697665492.
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{Feature name}: Application — Designed for above-water-line installations.
Designed to last the life of the boat, this thru-hull delivers dependable performance under hose flexing and vibration thanks to its rugged stainless construction. The mirror-polished finish maintains a premium look while resisting marine wear, and the silicone gasket combined with the sealant channel makes a reliable, leak-free seal with straightforward installation. The integrated gripping surfaces simplify assembly from inside the hull, reducing maintenance time and ensuring a secure, durable connection above the waterline.
