Extra Long 316 Stainless Steel Thru Hull fits 3/4" Hose

Long Thread Stainless Steel Thru-Hull Fitting is a marine-grade discharge fitting designed for use with bilge pump systems. Constructed from solid cast 316 stainless steel, this component provides corrosion resistance in saltwater environments. The unit features an extended threaded body to accommodate thick transoms or hull structures and includes a 316 stainless steel mounting nut for secure attachment. The external flange is polished for flush mounting and uniform surface seating with appropriate marine sealant. Specifications: – Material: Solid cast 316 stainless steel – Outside Flange Diameter: 2-1/4 inches – Thread Length: 3-7/16 inches – Overall Length Inside Flange: 5-7/16 inches – Required Hole Size: 1-3/8 inches – Hose Barb Compatibility: 3/4-inch inner diameter marine hose – Mounting Nut: 316 stainless steel, included – Orientation: Straight thru-hull This fitting is designed for bilge pump discharge and is compatible with standard 3/4-inch I.D. marine-grade hoses. The extended thread length enables installation through transoms or hulls up to approximately 3 inches thick, depending on mounting surface and sealant. The hose barb supports secure hose attachment using marine-grade hose clamps (not included), and the polished flange provides a smooth surface for sealing to fiberglass or metal hulls. The solid cast body resists cracking, deformation, or pitting when exposed to seawater, UV light, or bilge conditions. Used in both OEM and aftermarket applications, this component meets the mechanical and dimensional standards common to many offshore saltwater fishing vessels. It functions as a discharge outlet for bilge water, livewell overflow, or other marine fluid transfer systems. Installation requires access to both sides of the mounting surface and is completed with standard plumbing tools. Designed for permanent installation in marine hulls where high-strength, corrosion-resistant fittings are required.

• Premium Stainless Steel Build: Crafted from solid cast 316 stainless steel for exceptional durability and corrosion resistance in marine conditions.
• Versatile Installation: Extra-long threads accommodate various transom thicknesses, providing flexibility for secure bilge pump system setups.
• Bilge Pump Compatibility: Designed for 3/4" ID marine hose, ensuring a perfect fit for standard bilge pump sizes commonly used in boats.
• Original Equipment Quality: Widely employed in offshore saltwater fishing boats, attesting to its reliability and performance in demanding marine environments.
• Secure Connection: Includes a 316 stainless mounting nut for a robust and stable installation, making it an ideal choice for upgrading or replacing existing thru hull fittings.