Attwood 66542-3 Attwood 1" Stainless Steel Thruhull Barbed Fitting
by Attwood Marine

• ☆☆☆☆☆
• 1 customer reviews (jump to section)

Currently Unavailable.

Ships from and sold by Aztek Renew.

Added On: Mar 20, 2026 | Updated On: Apr 1, 2026 | Views: 5

Attwood 1" Stainless Steel Thru-Hull Barbed Fitting

Elevate your marine plumbing with Attwood's superior stainless steel thru-hull fittings, designed for longevity and performance. With a robust design intended to resist corrosion, these fittings offer an aesthetically pleasing and reliable solution for your boating needs.

Durable Construction:

• Crafted from high-quality 316 stainless steel for exceptional strength and corrosion resistance.
• Polished to a mirror finish for enhanced appearance and protection.
• Designed to endure constant stress and hose movement.

Easy Installation:

• Includes a silicone gasket for a reliable seal.
• Features channeling under the flange to facilitate sealant application.
• Equipped with gripping surfaces for simplified tightening, allowing installation from inside the hull.
• Barbed tail ends ensure secure clamping for multiple hoses.

Specifications:

• Hose size: 1" inner diameter
• Flange diameter: 2-1/4"
• Thread O.D: 1-3/8"
• Thread length: 1-1/8"
• Barb length: 1"
• Total length: 2-1/2"
• Installation hole saw size: 1-1/2"
• Thread type: NPSM 1"
• Maximum hull thickness: 5/8"

*Designed for installation above the waterline only.