Marine Grade Brass Nipple 3/4 Inch
3/4 inch threaded brass nipples enhanced with marine-grade copper-zinc alloy (naval brass UNS C46400) for seawater resistance in boat plumbing and dockside applications. Meets MIL-spec corrosion standards. Threaded marine fittings under HTS 7412.20.0025.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If using nickel silver marine alloy
Higher nickel marine brasses qualify as nickel silvers under subheading note (c).
If imported as integral boat part
Pre-installed vessel components classify with the boat under Chapter 89.
If galvanized steel marine pipe nipple
Steel marine fittings use Chapter 73 even for boat applications.
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Import Tips & Compliance
• Provide UNS C46400 alloy certification and salt spray test results for naval brass verification
• Document marine end-use to distinguish from standard plumbing; avoids industrial part scrutiny
• Comply with USCG boating standards if labeled for vessel use
Related Products under HTS 7412.20.00.25
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