| Designation | UL921 |
| Status | Active |
| Last Update | 2021-08-19 |
| Last Document Update | None |
| Publisher | Defense Standardization Program Office |
| FSG-73 |
| FSC-7320 |
| Document Category |
| Underwriters Laboratories (UL) |
| Version | Date | Distribution Statement | Access | Pages |
|---|---|---|---|---|
| Notice - Adoption, Tier 2 | 1976-05-07 | A | Public | 1 |
| Service | Organization | Code |
|---|---|---|
| Lead Standardization Activity | U.S. Army Combat Capabilities Development Command Soldier Center | GL |
| Preparing Activity | U.S. Army Combat Capabilities Development Command Soldier Center | GL |
| Air Force | Air Force Service Activity (AFSVA) | 35 |
| Army | U.S. Army Combat Capabilities Development Command Soldier Center | GL |
| Navy | Naval Facilities Engineering Command | YD |