Nano-D connectors are even smaller than Micro-D with 0.025-inch pitch, used in the most space-constrained satellite, missile guidance, and miniaturized military electronics where Micro-D is still too large.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Pin 1 | Nano-D signal 1 | I/O |
| 2 | Pin 2 | Nano-D signal 2 | I/O |
| 3 | Pin 3 | Nano-D signal 3 | I/O |
| 4 | Pin 4 | Nano-D signal 4 | I/O |
| 5 | Pin 5 | Nano-D signal 5 | I/O |
| 6 | Pin 6 | Nano-D signal 6 | I/O |
| 7 | Pin 7 | Nano-D signal 7 | I/O |
| 8 | Pin 8 | Nano-D signal 8 | I/O |
| 9 | GND | Ground | GND |