Stainless Steel Straight Thru-Hulls Barbed Standard Length

Attwood


Regular price $ 36.74

 Lifetime Warranty

Polish your image with these beautiful, durable stainless steel fittings. Each Thru-Hull and Scupper Valve is available with a new silicone gasket and are backed by Attwood's trusted Lifetime Warranty! Why specify plastic parts when these fittings will last the life of the boat?

Rugged Stainless Construction

  •  Cast from certified enhanced #316 Stainless Steel allow for strength and lifetime corrosion-resistance.
  • We polish all visible areas to a mirror finish, then each part through a passivation for additional protection
  • Thick steel sidewalls withstand continual stress and hose flexing

Solid Silicone Gasket

  •  Gasket is dimensionally stable--will not deteriorate or shrink over time
  • Excellent resistance to UV & weather-aging
  • Watertight, fool-proof, one-piece seal
  • Eliminates the need to form and apply sealant or caulk
  • No moreChemicals, solvent-soaked rags,or cleanup
  • More than pays for itself in saved labor and cleanup time
  • Guaranteed good looks because the perfect fit and concealment is built in the gasket

Faster, Simpler Installation

  • A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal
  • All models have wrench flats or an end notch to hold as a gripping surface. One installer can tighten all connections from inside the hull
  • Barbed tail ends provide plenty of room to hold multiple clamps

Caution: Thru-Hull connectors are designed for installation above the water line only.

A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. Bulk Without Gasket Bulk With Gaske
Standard Length           
5/8" I.D. 1-7/8" 1" 2" 1-1/4" 3-3/4" 1-1/8" 3/4" 1-1/16" 66546-1 66546G1
3/4" I.D. 1-7/8" 1" 2" 1-1/4" 3-3/4" 1-1/8" 3/4" 1-5/8" 66547-1 66547G1
1" I.D. 2-1/4" 1-3/8" 2-1/4" 1-1/4" 3-7/8" 1-1/2" 1" 1-3/4" 66548-1 66548G1
1-1/8" I.D. 2-1/4" 1-3/8" 2-3/8" 1-1/4" 3-7/8" 1-1/2" 1" 1-3/4" 66549-1 66549G1
1-1/4" I.D. 2-3/4" 1-5/8" 2-1/2" 1-1/4" 4-1/4" 1-3/4" 1-1/4" 1-7/8" 66550-1 66550G1
1-1/2" I.D. 3" 1-7/8" 2-1/2" 1-1/4" 4-1/8" 2" 1-1/2" 1-7/8" 66551-1 66551G1
2" I.D. 3.5" 2-3/8" 2-1/2" 1-3/4" 4-5/8" 2-1/2" 1-1/2" 2" 66552-1 66552G1

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