| 523-0727000 | 878G-1 Electronic Circuit Plug-in Unit Test Set | IB | | 1/0 | 1962-06-15 |
| 523-0728000 | 878G-2 Electronic Circuit Plug-in Unit Test Set | IB | | 1/0 | 1962-07-01 |
| 523-0738000 | 476X-2/2A Transponder Test Set | IB | Box 2 - Form 112316 | 2/0 | 1966-08-01 |
| 523-0750000 | 477U-2 ADF Loop Antenna Simulator | IB | | 2/1 | 1991-02-01 |