OPS 5140
| Launched | 18 February 1976 |
| Flight ended | 18 February 1976 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 8696 |
| COSPAR ID | 1976-016A |
| Alternative names |
DMSP 5C F8 |
| Observing |