Attwood Marine Stainless Steel Thru-Hull Short Straight Barbed Fitting - 1-1/2 Inch Inner Diameter

Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter

Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat

Rugged Stainless Construction:

• Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance


• All visible areas are polished to a mirror finish, then passivate each part for additional protection


• Thick steel sidewalls withstand continual stress and hose flexing

Faster, Simpler Installation:

• Each Thru-Hull is available with a new silicone gasket


• 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


• The barbed tail ends provide plenty of room to hold multiple clamps

Stainless Steel Straight Thru-Hulls, Barbed

• Short Thread is a more compact size, which allows installation near corners and in confined areas

Specifications:

• Hose size: (inch) 1-1/2" inner diameter


• Flange Diameter: (inch) 3"


• Thread O.D. (outside diameter): (inch) 1-7/8"


• Thread Length: (inch) 1-1/4"


• Barb Length: (inch) 1-1/2"


• Total Length: (inch) 3-1/8"


• Install Hole Saw Size: (inch) 2"


• Thread NPSM: (inch) 1-1/2"


• Max Hull Thickness: (inch) 5/8"

*Stainless Steel Thru-Hull Connectors are designed for installation above the water line only

Upgrade your boat's plumbing with the Attwood Marine Stainless Steel Thru-Hull Short Straight Barbed Fitting, part number 66545-3. Crafted from certified Enhanced 316 stainless steel, this fitting offers exceptional strength and corrosion resistance, ensuring a long-lasting, durable connection that maintains its appearance over time. The mirror-polished finish on all visible surfaces provides a sleek, professional look, while the passivation process enhances its protective qualities. Designed for installation above the waterline, this fitting is ideal for a variety of marine applications where reliable, corrosion-resistant connections are essential. The thick steel sidewalls are engineered to withstand continuous stress and hose flexing, making it suitable for demanding marine environments. The short thread design allows installation in confined spaces such as near corners, providing flexibility for boat builders and repair professionals. Features include a silicone gasket for a secure seal, a channel under the flange to hold sealant for trouble-free installation, and wrench flats or an end notch for easy tightening from inside the hull. The barbed tail provides ample room for multiple clamps, ensuring a tight, leak-free connection. Measuring an overall length of approximately 3-1/8 inches with a 1-1/2-inch inner diameter hose size, this fitting has a flange diameter of 3 inches and a thread outside diameter of 1-7/8 inches. The threaded portion features a 1-1/2-inch NPSM thread, with a thread length of 1-1/4 inches and a barb length of 1-1/2 inches, making it suitable for various marine hose connections. The installation requires a 2-inch hole saw. This stainless steel thru-hull is a reliable, high-quality choice for marine professionals seeking a durable, corrosion-resistant fitting that simplifies installation and enhances the visual appeal of their vessel.

Features:

• Made from certified Enhanced 316 stainless steel for durability and corrosion resistance

• Mirror-polished finish on all visible areas with passivation for added protection

• Thick steel sidewalls designed to withstand continuous stress and hose flexing

• Includes a silicone gasket for a secure, watertight seal

• Channel under flange for easy application of sealant during installation

• Wrench flats or end notch for easy tightening from inside the hull

• Barbed tail ends accommodate multiple clamps for a tight connection

• Short thread design suitable for confined spaces and near corners

• Suitable for installation above the waterline with a maximum hull thickness of 5/8 inch