MIL-DTL-38999 Series IV uses a hermaphroditic sliding ring coupling for blind mating in rack and panel applications where visual alignment is impossible, such as avionics bays and missile launchers.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Pin A | Signal or power contact A | I/O |
| 2 | Pin B | Signal contact B | I/O |
| 3 | GND | Ground contact | GND |
MIL-DTL-38999 Series IV uses a hermaphroditic sliding ring coupling for blind mating in rack and panel applications where visual alignment is impossible, such as avionics bays and missile launchers.