Attwood Marine Stainless Steel Thru-Hull Fitting - 1-1/8" Inner Diameter, Standard Straight Barbed

Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" 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) 1-1/8" inner diameter
• Flange Diameter: (inch) 2-1/4"
• Thread O.D. (outside diameter): (inch) 1-3/8"
• Thread Length: (inch) 2-3/8"
• Barb Length: (inch) 1-1/4"
• Total Length: (inch) 3-7/8"
• Install Hole Saw Size: (inch) 1-1/4"
• 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 Part 66549-3 stainless steel thru-hull fitting. Crafted from certified Enhanced 316 stainless steel alloy, this fitting offers superior strength and lifetime corrosion resistance, making it a reliable choice for marine applications. The polished mirror finish on all visible areas not only provides a sleek look but also ensures added protection through passivation, guarding against the harsh marine environment. Designed with thick steel sidewalls, this thru-hull withstands continual stress and hose flexing, maintaining a secure connection over time. Installation is faster and simpler thanks to features like a silicone gasket for a tight seal, a channel under the flange for sealant application, and wrench flats or an end notch for easy gripping during tightening. The barbed tail ends accommodate multiple clamps, ensuring a secure fit for your hose connections. The standard thread model features a full-length thread suitable for thicker hulls, facilitating ease of installation. This thru-hull is intended for above-waterline use only, adhering to safety standards. Its specifications include a 1-1/8" inner diameter hose size, a 2-1/4" flange diameter, and a total length of approximately 3-7/8". The design also includes a 1-1/4" barb length for versatile hose attachment and a 1-1/4" install hole saw size. Engineered for durability and ease of installation, the Attwood Stainless Steel Thru-Hull Part 66549-3 is an excellent choice for marine professionals and boat enthusiasts seeking long-lasting, corrosion-resistant fittings that combine form and function seamlessly.

Features:

• Polished mirror finish on all visible areas with passivation for enhanced corrosion resistance

• Cast from certified Enhanced 316 stainless steel alloy for strength and longevity

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

• Includes silicone gasket for a secure, trouble-free seal

• Channel under flange for easy application of sealant

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

• Barbed tail ends accommodate multiple clamps for secure hose connections

• Full-length thread model suitable for thick hulls

• Designed for installation above the waterline for safety and durability