| Designation | MIL-STD-644 |
| Status | Active |
| Last Update | 2023-07-06 |
| Last Document Update | 2023-07-03 |
| Publisher | Defense Standardization Program Office |
| FSG-13 |
| FSC-1305 |
| Document Category |
| Military Standard |
| Version | Date | Distribution Statement | Access | Pages |
|---|---|---|---|---|
| Revision B Notice 1 - Validation | 2023-07-03 | A | Public | 1 |
| Revision B Change 2 (all previous changes incorporated) | 2018-07-24 | A | Public | 101 |
| Revision B Change 1 (change incorporated) | 2018-04-13 | A | Public | 102 |
| Revision B | 2017-03-27 | D | Classified | 100 |
| Revision A Notice 2 - Reactivation | 2014-09-12 | A | Public | 1 |
| Revision A Notice 1 - Inactivation | 2014-04-03 | A | Public | 1 |
| Revision A Change Notice 5 | 1992-05-01 | A | Public | 4 |
| Revision A Change Notice 4 | 1991-01-10 | A | Public | 6 |
| Revision A Change Notice 3 | 1975-03-03 | A | Public | 3 |
| Revision A Change Notice 2 | 1974-03-29 | A | Public | 4 |
| Revision A Change Notice 1 | 1965-06-03 | A | Public | 2 |
| Revision A | 1962-12-03 | A | Public | 86 |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | US Army Combat Capabilities Development Command, Armaments Center | AR |
| Preparing Activity | US Army Combat Capabilities Development Command, Armaments Center | AR |
| Air Force | Air Force Life Cycle Management Center, Warner Robins | 184 |
| Army | US Army Combat Capabilities Development Command, Armaments Center | AR |
| Navy | Naval Surface Warfare Center Indian Head Division (NSWC IHD) | OS |