| | 523-0821567 | (PCD-3000) Product Discontinuance | SIL | PCD-3000 SIL 13-1 | 1/0 | 2013-02-22 |
| | 523-0791676 | +28-VDC Ground Return Wire Resistance When Using 399H-4/4A | SIL | ALT-50( )/55B SIL 1-73 | 1/0 | 1973-04-19 |
| | 523-0797726 | 0.1-kHz Frequency Channel Selection Capability | SIL | 618T-2B SIL 45-67 | 1/0 | 1967-09-15 |
| | 523-0797794 | 0.1-kHz Frequency Channel Selection Capability | SIL | 618T-3B SIL 45-67 | 1/0 | 1967-09-15 |
| | 523-0798066 | 0.1-kHz Frequency Channel Selection Capability | SIL | 618T-1B SIL 45-67 | 1/0 | 1967-09-15 |
| | 523-0790511 | 055 Diagnostics Software Release | SIL | JL-B747-400-03 | 1/0 | 2001-12-14 |
| 523-0828403 | 09680x- and 098732- and 12087x-series M940-25x-series / NWA/DAL | CMMPL | 25-26-057-2093 | 0/0 | |
| 523-0810390 | 1-Inch Lavatory Flush/Fill Nipple Valve | CMM | | 1/2 | 1999-12-15 |
| 523-0801044 | 1-kW System Testing Peculiarities | SIL | HF-8062 SIL 2-82 | 1/0 | 1982-02-01 |
| 523-0801048 | 1-kW System Testing Peculiarities | SIL | HF-8061 SIL 2-82 | 1/0 | 1982-02-01 |