The Modulator,radio Transmitter, cataloged under National Stock Number 5820-00-254-9374, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-00-254-9374 |
| Item Name | Modulator,radio Transmitter |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| Circuit Construction Type | ELECTRON TUBE |
| FSC Application Data | MODULATOR,RADIO TRANSMITTER,EXCEPT NAVIGATION,NONAIRBORNE |
| Impedance Rating Per Channel | 1.000 KILOHMS 1ST OUTPUT CHANNEL |
| Impedance Rating Per Channel | 10.000 KILOHMS 4TH OUTPUT CHANNEL |
| Impedance Rating Per Channel | 35.000 OHMS 1ST INPUT CHANNEL |
| Impedance Rating Per Channel | 6.000 KILOHMS 2ND OUTPUT CHANNEL |
| Impedance Rating Per Channel | 600.000 OHMS 2ND INPUT CHANNEL |
| Impedance Rating Per Channel | 8.000 KILOHMS 3RD OUTPUT CHANNEL |
| Phase | SINGLE |
| Inclosure Type | ENCASED |
| Control Type | REMOTE |
| Average Power Rating Per Channel | 65.0 WATTS OUTPUT |
| Frequency Per Channel | 100.0 HERTZ MINIMUM INPUT CHANNEL |
| Frequency Per Channel | 5.0 KILOHERTZ MAXIMUM INPUT CHANNEL |
| Operating AC Frequency in Hertz | 60.0 NOMINAL SINGLE VOLTAGE |
| Operating Control Method | MANUAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Indicator Device Type and Quantity | 1 CATHODE RAY TUBE |
| Average Life Measurement | NOT RATED |
| External AC Operating Voltage in Volts | 115.0 NOMINAL SINGLE VOLTAGE |
| Installation Design | RACK |
| External DC Operating Voltage in Volts | 220.0 NOMINAL 3RD VOLTAGE |
| External DC Operating Voltage in Volts | 300.0 NOMINAL 2ND VOLTAGE |
| External DC Operating Voltage in Volts | 500.0 NOMINAL 1ST VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MD143URT | 3/2 Design control — primary reference U.S. Government activity |
NSN 5820-00-254-9374 is a Modulator,radio Transmitter, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
Key specifications for 5820-00-254-9374: Circuit Construction Type: ELECTRON TUBE; Overall Height: 8.656 INCHES NOMINAL IN; FSC Application Data: MODULATOR,RADIO TRANSMITTER,EXCEPT NAVIGATION,NONAIRBORNE; Impedance Rating Per Channel: 1.000 KILOHMS 1ST OUTPUT CHANNEL. 24 specifications are documented in the U.S. Government catalog.
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 5820-00-254-9374 has DEMIL Code C. 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.