The Receiver-Transmitter,radio, cataloged under National Stock Number 5821-01-006-4145, is classified within Federal Supply Class 5821 (Radio and Television Communication Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Receiver-Transmitter,radio |
| FSC / FSG | 5821 — Radio and Television Communication Equipment, Airborne (FSG 58) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 79RG9); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499) |
| Parameter | Value |
|---|---|
| NSN | 5821-01-006-4145 |
| Primary Part Number | 123SCAV5221-7 |
| Item Name | Receiver-Transmitter,radio |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 123SCAV5221-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 792-6390-005 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| RT1017ARC156 | 5/1 Secondary reference U.S. Government activity |
| 123SCAV5221-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5821-01-006-4145 is a Receiver-Transmitter,radio, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-01-006-4145 has 2 manufacturer part numbers on file: 123SCAV5221-7 (Northrop Grumman Systems Corporation), 792-6390-005 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5821-01-022-8572. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5821-01-006-4145 has DEMIL Code D. 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.