| 8540.40.00 | 20 | Not exceeding 30 cm | No. | | | |
| 8540.40.00 | 40 | Exceeding 30 cm but not exceeding 33 cm | No. | | | |
| 8540.40.00 | 60 | Exceeding 33 cm but not exceeding 36 cm | No. | | | |
| 8540.40.00 | 80 | Exceeding 36 cm | No. | | | |
| 8540.40.00 | | Data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm | | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.50.00 | 00 | Data/graphic display tubes, black and white or other monochrome | No. | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.60.00 | | Other cathode-ray tubes | | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.60.00 | 20 | Having a video display diagonal: | | | | |
| 8540.60.00 | 20 | Not exceeding 30 cm | No. | | | |
| 8540.60.00 | 40 | Exceeding 30 cm but not exceeding 33 cm | No. | | | |
| 8540.60.00 | 60 | Exceeding 33 cm but not exceeding 36 cm | No. | | | |
| 8540.60.00 | 80 | Exceeding 36 cm | No. | | | |
| 8540.71 | | Microwave tubes (for example, magnetrons, klystrons, traveling wave tubes, carcinotrons), excluding grid-controlled tubes: | | | | |
| 8540.71 | | Magnetrons: | | | | |
| 8540.71.20 | 00 | Modified for use as parts of microwave ovens | No. | Free | | 35% |
| 8540.71.40 | 00 | Other | No. | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.72.00 | 00 | Klystrons | No. | 3.3% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.79.00 | 00 | Other | No. | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.81.00 | 00 | Other tubes: | | | | |
| 8540.81.00 | 00 | Receiver or amplifier tubes | No. | 4.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.89.00 | | Other | | 3.7% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.89.00 | 20 | Gas and vapor electron tubes | No. | | | |
| 8540.89.00 | 40 | Diodes, triodes and tetrodes | No. | | | |
| 8540.89.00 | 60 | Light-sensing tubes | No. | | | |
| 8540.89.00 | 80 | Other | No. | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
