Attwood Marine Stainless Steel Thru-Hull Fitting 1-Inch Inner Diameter, Straight Barbed, Model 66548-3

Stainless Steel Thru-Hull Standard Straight Barbed - 1" 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

• Standard Thread model has a full-length thread for thick hulls and easy tightening

Specifications:

• Hose size: (inch) 1" inner diameter


• Flange Diameter: (inch) 2-1/4"


• Thread O.D. (outside diameter): (inch) 1-3/8"


• Thread Length: (inch) 2-1/4"


• Barb Length: (inch) 1-1/4"


• Total Length: (inch) 3-7/8"


• Install Hole Saw Size: (inch) 1-1/2"


• Thread NPSM: (inch) 1"


• Max Hull Thickness: (inch) 1-3/4"

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

Enhance your boat's durability and appearance with the Attwood Marine Stainless Steel Thru-Hull Fitting. Crafted from certified Enhanced 316 Stainless Steel alloy, this fitting offers exceptional strength and corrosion resistance, ensuring it lasts the lifetime of your vessel. The mirror-polished finish not only provides a sleek, professional look but also adds an extra layer of passivation for longevity. Its robust construction features thick steel sidewalls designed to withstand continuous stress and hose flexing, making it a reliable choice for marine applications. Installation is simplified with a silicone gasket option, a sealing channel under the flange for easy application, and wrench flats or an end notch for secure gripping during tightening. The barbed tail ends allow multiple clamps for a secure, leak-proof connection, while the full-length threaded model accommodates thick hulls for ease of installation. Designed specifically for above-water-line use, this fitting is suitable for marine environments requiring a 1-inch inner diameter hose connection. The flange diameter measures approximately 2-1/4 inches, with a total length of about 3-7/8 inches, fitting through a 1-1/2 inch install hole. Engineered for durability and ease of installation, the Attwood Marine Thru-Hull Fitting is ideal for reliable, long-term marine plumbing applications, ensuring your vessel remains watertight and professional in appearance.

Features:

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

• Mirror-polished finish with passivation for added protection

• Thick steel sidewalls withstand stress and hose flexing

• Includes optional silicone gasket for easier installation

• Sealing channel under flange facilitates trouble-free sealing with sealant bead

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

• Barbed tail ends support multiple clamps for secure connection

• Full-length thread suitable for thick hulls

• Designed for above-water-line installation only