| USS 2-T220 470.00 OHM 0.1% 3PPM | | 2023-01-02 |
| USS 2-T220 4700.00 OHM 0.1% 3PPM | | 2023-01-02 |
| USS 2-T220 5.60 OHM 0.1% 3PPM | | 2025-02-18 |
| USS 2-T220 51.00 OHM 0.1% 3PPM | | 2025-02-18 |
| USS 2-T220 510.00 OHM 0.1% 3PPM | | 2025-02-18 |
| USS 2-T220 5100.00 OHM 0.1% 3PPM | | 2025-02-18 |
| USS 2-T220 7.50 OHM 0.1% 3PPM | | 2023-01-02 |
| USS 2-T220 75.00 OHM 0.1% 3PPM | | 2023-01-02 |
| USS 2-T220 750.00 OHM 0.1% 3PPM | | 2023-01-02 |
| USS 2-T220 7500.00 OHM 0.1% 3PPM | | 2023-01-02 |
| USS UNS 2-T220 | | 2025-01-09 |
| UT | | 2026-06-03 |
| UTL | | 2025-01-09 |
| UV | | 2026-06-03 |
| UV-10 | | 2023-06-06 |
| UV-7 | | 2023-06-06 |
| UW | | 2026-06-03 |
| UW-10 | | 2023-06-06 |
| UW-15 | | 2023-06-06 |
| UW-3 | | 2023-06-06 |