| Designation | OO-R-421 |
| Status | Canceled |
| Last Update | 2018-05-25 |
| Last Document Update | 1996-11-01 |
| Publisher | Defense Standardization Program Office |
| FSG-51 |
| FSC-5130 |
| Document Category |
| Federal Specification |
| Version | Date | Distribution Statement | Access | Pages |
|---|---|---|---|---|
| Revision B Notice 1 - Cancellation | 1996-11-01 | A | Public | 1 |
| Revision B Amendment 2 | 1980-08-01 | A | Public | 6 |
| Revision B | 1976-06-09 | A | Public | 16 |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | U.S. Army Combat Capabilities Development Command Soldier Center | GL |
| Preparing Activity | Naval Sea Systems Command (Ship Systems) | SH |
| Air Force | Air Force Life Cycle Management Center - Item Reduction Support | 99 |
| Army | U.S. Army Combat Capabilities Development Command Soldier Center | GL |
| Navy | Naval Sea Systems Command (Ship Systems) | SH |