| Designation | RR-T-421 |
| Status | Canceled |
| Last Update | 2018-05-25 |
| Last Document Update | 1949-03-30 |
| Publisher | Defense Standardization Program Office |
| FSG-56 |
| FSC-5620 |
| Document Category |
| Federal Specification |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | DLA Troop Support - Construction and Equipment Items of Supply Standardization | CQ |
| Preparing Activity | No description found for code 'ME' | ME |
| Army | No description found for code 'ME' | ME |
| Navy | No description found for code 'YD1' | YD1 |