| 8431.39.00 | 50 | Of oil and gas field machinery | X | | | |
| 8431.43.40 | 00 | Of offshore oil and natural gas drilling and productions platforms | X | Free | | 45% |
| 8431.43.80 | 20 | Of oil and gas field machinery: | | | | |
| 8433.19.00 | 40 | Gasoline powered | No. | | | |
| 8467.89.50 | 30 | Gasoline powered grass and weed trimmers and brushcutters | No. | | | |
| 8467.99.01 | 30 | Of gasoline powered grass and weed trimmers and brushcutters | X | | | |
| 8468 | | Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: | | | | |
| 8468.20 | | Other gas-operated machinery and apparatus: | | | | |
| 8479.89.98 | 50 | Oil and gas field wireline and downhole equipment | No. | | | |
| 8484 | | Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal; sets or assortments of gaskets and similar joints, dissimilar in composition, put up in pouches, envelopes or similar packings; mechanical seals: | | | | |
| 8484.10.00 | 00 | Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal | X | 2.5% | Free (A,AU,B,BH, C,CA,CL,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8515 | | Electric (including electrically heated gas), laser or other light or photon beam, ultrasonic, electron beam, magnetic pulse or plasma arc soldering, brazing or welding machines and apparatus, whether or not capable of cutting; electric machines and apparatus for hot spraying of metals or cermets; parts thereof: | | | | |
| 8540 | | Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof: | | | | |
| 8540.89.00 | 20 | Gas and vapor electron tubes | No. | | | |
| 8547.10.40 | 00 | Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines | No. | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 60% |
| 9020.00 | | Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof: | | | | |
| 9020.00.60 | 00 | Other breathing appliances and gas masks | X | 2.5% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 9026 | | Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032; parts and accessories thereof: | | | | |
| 9027 | | Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: | | | | |
| 9027.10 | | Gas or smoke analysis apparatus: | | | | |
| 9027.20.50 | 50 | Gas chromatographs | No. | | | |
| 9027.20.80 | 30 | Gas chromatographs | No. | | | |
| 9028 | | Gas, liquid or electricity supply or production meters, including calibrating meters thereof; parts and accessories thereof: | | | | |
| 9028.10.00 | 00 | Gas meters | No. | 16¢/each + 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | $4.50 each + 65% |
| 9304.00 | | Other arms (for example, spring, air or gas guns and pistols, truncheons), excluding those of heading 9307: | | | | |
Harmonized Tariff Schedule of the United States inquiry: t
