| Designation | MIL-S-21977 |
| Status | Canceled |
| Last Update | 2018-05-26 |
| Last Document Update | 1960-01-08 |
| Publisher | Defense Standardization Program Office |
| FSG-20 |
| FSC-2040 |
| Document Category |
| Detail Specification |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | Naval Sea Systems Command (Ship Systems) | SH |
| Preparing Activity | Naval Sea Systems Command (Ship Systems) | SH |