The Ring Gear Assembly, cataloged under National Stock Number 5820-00-968-6399, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring Gear Assembly |
| FSC / FSG | 5820 — Radio and Television Communication Equipment, Except Airborne (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5820-00-968-6399 |
| Item Name | Ring Gear Assembly |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 622-349 | C/1 Advisory reference — outside the item-of-supply concept Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
| W747001A | C/1 Advisory reference — outside the item-of-supply concept Leonardo Mw Ltd |
| W747001A | 3/9 Design control — primary reference G E C Marconi Communications Ltd |
NSN 5820-00-968-6399 is a Ring Gear Assembly, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-216-7189, 5340-01-468-6764. 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.
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.