Sea-Dog Line 520831 90° Thru-Hull Fitting with Stainless Steel Cap

The Sea-Dog Line 520831 is a 90-degree thru-hull fitting designed to allow controlled water passage in or out of a vessel above the waterline. This marine-grade fitting is ideal for drainage applications, bilge pump outlets, livewell systems, and other onboard plumbing needs.

Key Features:

• Injection-molded polypropylene body for excellent corrosion resistance and durability
• 304 stainless steel cap provides superior strength and marine-grade corrosion protection
• 90-degree angle configuration for efficient hose routing in tight spaces
• Designed for use with marine hose for above-waterline drainage applications
• Threaded design allows secure installation through hull or bulkhead

Specifications:

• Dimension A (Overall Height): 1-7/8"
• Dimension B (Thread Length): 7/8"
• Dimension C (Cap Diameter): 1-13/16"
• Dimension D (Base Flange): 3-7/16"
• Dimension E (Outlet Length): 1-15/16"
• Dimension F (Hose Barb): 3/4" for standard marine hose connection

This fitting combines the chemical resistance and lightweight properties of polypropylene with the strength and corrosion resistance of stainless steel, making it an excellent choice for marine drainage systems, bait tank plumbing, and other wet applications on boats, yachts, and personal watercraft.