The Receiver-Transmitter,radio, cataloged under National Stock Number 5821-00-652-5891, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5821-00-652-5891 |
| Primary Part Number | 127279 |
| Item Name | Receiver-Transmitter,radio |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| FSC Application Data | AIRBORNE RADIO NAVIHATION SET |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| AC Voltage Rating | 6.3 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Receiver Emission Type | P9 |
| Output Frequency Rating | 1.025 GIGAHERTZ MINIMUM AND 1.151 GIGAHERTZ MAXIMUM |
| Transmitter Channel Quantity | 126 |
| DC Voltage Rating | -180.0 VOLTS NOMINAL FOURTH OPERATING POWER RQMT |
| DC Voltage Rating | 130.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT |
| DC Voltage Rating | 140.0 VOLTS NOMINAL THIRD OPERATING POWER RQMT |
| Transmitter Emission Type | P9 |
| Receiver Channel Quantity | 126 |
| Input Frequency Rating | 0.962 GIGAHERTZ MINIMUM AND 1.024 GIGAHERTZ MAXIMUM |
| Frequency Rating | 400.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT |
| Transmitter Band Quantity | 1 |
| Receiver Band Quantity | 2 |
| Power Output | 1.000 KILOWATTS MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 127279 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 542-4319-006 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5821-00-652-5891 is a Receiver-Transmitter,radio, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-00-652-5891 has 1 manufacturer part number on file: 127279 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 127279: Overall Height: 4.500 INCHES NOMINAL IN; FSC Application Data: AIRBORNE RADIO NAVIHATION SET; Phase: SINGLE FIRST OPERATING POWER RQMT; AC Voltage Rating: 6.3 VOLTS NOMINAL FIRST OPERATING POWER RQMT. 16 specifications are documented in the U.S. Government catalog.
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 5821-00-652-5891 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.