The Mirror Assembly, cataloged under National Stock Number 5820-01-221-4083, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Mirror Assembly |
| FSC / FSG | 5820 — Radio and Television Communication Equipment, Except Airborne (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5820-01-221-4083 |
| Item Name | Mirror Assembly |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 519234-1 | 3/2 Design control — primary reference U.S. Government activity |
| 519234-1 | 5/9 Secondary reference General Scientific Corporation Dba General Scientific Manufacturing Div General Scientific Mfg Inc |
NSN 5820-01-221-4083 is a Mirror Assembly, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6150-01-300-4569. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5820-01-221-4083 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.