&&This cast aluminum pipe fitting (elbow), Part # 2003, is an elbow used in an air supply system. It is composed of cast aluminum pipe with a 90 degree bend and a clamp on each end. Each clamp is secured to the pipe with four steel hex head bolts and nuts and contains nitrile rubber O-rings to seal the pipe. The entire product is powder coated. Part # 2003 is 25 mm in diameter, has an overall length of 105 mm, and is 67 mm in length from the center of the clamp to the center of the opposing bore. It is intended to be used in air supply systems wherever compressed air is required.

&&You have requested classification of this Aluminum Pipe Fitting “Elbow”, Part # 2003, under 7609.00.00.00 as an aluminum pipe fitting. This product is a composite good consisting of aluminum pipe fittings (elbow and clamps) of heading 76.09, steel bolts and nuts (parts of general use) of heading 73.18, and nitrile rubber O-rings of heading 40.16. All components are equally necessary in order for the elbow joint to be effective. Accordingly, tariff classification is determined using GIR 3(c). Heading 76.09 is last in numerical order of those headings under consideration. Hence, this product is classified as an aluminum pipe fitting under heading 76.09. There are no further breakouts after the heading level.