NPT Threaded Iron Sleeve Coupling 1-1/2 Inch
1-1/2 inch NPT threaded sleeve coupling cast from nonalloy iron, designed for joining galvanized pipes in irrigation systems. Falls under HTS 7307.92.30.10 for iron/nonalloy steel threaded sleeves (couplings). Provides secure, leak-proof connections in agricultural setups.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel material
Stainless versions are distinctly classified under stainless steel threaded sleeve provisions.
If containing 1.5%+ nickel or other alloys
Low-alloy compositions exceed nonalloy thresholds, shifting to 'other' alloy steel fittings.
If incorporating valves or regulatory features
Sleeves with integrated taps or valves classify as valve appliances in Chapter 84.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify exact NPT threading gauge (e.g
• 11.5 TPI) in commercial invoice to match US plumbing norms
• Conduct pre-shipment inspection for thread accuracy to prevent rejection under Buy America provisions for public projects
• Bundle with matching pipe sizes in shipments but declare separately to avoid set classification issues
Related Products under HTS 7307.92.30.10
Galvanized Steel Pipe Sleeve Coupling
A threaded sleeve coupling made of nonalloy steel with a galvanized coating, used to join two plain-end steel pipes in plumbing systems. It falls under HTS 7307.92.30.10 as a threaded sleeve of iron or nonalloy steel, distinct from elbows or bends. Commonly applied in water supply and drainage installations.
Black Malleable Iron Pipe Coupling Sleeve
Threaded sleeve coupling forged from malleable iron, featuring a black oxide finish for corrosion resistance in gas piping. Classified under HTS 7307.92.30.10 as a sleeve (coupling) of iron or nonalloy steel. Ideal for low-pressure natural gas distribution lines.
Heavy-Duty Nonalloy Steel Repair Sleeve
Extra-thick walled threaded sleeve of nonalloy steel for repairing damaged pipes in oilfield applications. HTS 7307.92.30.10 applies to such iron/nonalloy steel threaded sleeves/couplings. Built to withstand high-pressure hydrocarbon flows.
1 Inch Galvanized Iron Threaded Pipe Coupler
1-inch diameter galvanized iron threaded sleeve coupler for residential water lines. HTS 7307.92.30.10 designates it as a nonalloy steel threaded sleeve. Zinc coating ensures longevity in damp environments.
Malleable Steel Straight Pipe Sleeve Connector
Straight threaded sleeve connector from malleable nonalloy steel for mechanical piping repairs. Under HTS 7307.92.30.10 for iron/nonalloy threaded sleeves. High tensile strength for industrial conduit applications.
Schedule 40 Steel Threaded Sleeve Adapter
Threaded sleeve coupling compliant with ASTM A53 Schedule 40 steel pipe standards, used for straight connections in structural frameworks. HTS 7307.92.30.10 covers this as a nonalloy steel threaded sleeve. Essential for mechanical and HVAC piping repairs.