The Receiver-Transmitter,radio, cataloged under National Stock Number 5820-01-579-5443, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5820-01-579-5443 |
| Primary Part Number | 01-P40443K001 |
| Item Name | Receiver-Transmitter,radio |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Output Frequency Rating | 30.0 MEGAHERTZ NOMINAL |
| Joint Electronics Type Designation System Item Name | RECEIVER-TRANSMITTER,RADIO |
| Electrical Power Source Relationship | OPERATING |
| Functional Description | THE SFF-B IS A 2-CHANNEL,TYPE 1,LEADER VARIANT RADIO,TARGETED FOR TACTICAL REAL-TIME BATTLEFIELD COMMUNICATIONS SUPPORTING SINCGARS,EPLRS AND THE SOLDIER RADIO WAVEFORM (SRW) WITH INTEGRAL GPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 01-P40443K001 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| RT-1952(C)/P | 5/2 Secondary reference U.S. Government activity |
NSN 5820-01-579-5443 is a Receiver-Transmitter,radio, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-579-5443 has 1 manufacturer part number on file: 01-P40443K001 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 01-P40443K001: Overall Height: 2.202 INCHES NOMINAL IN; Output Frequency Rating: 30.0 MEGAHERTZ NOMINAL; Overall Width: 3.442 INCHES NOMINAL IN; Joint Electronics Type Designation System Item Name: RECEIVER-TRANSMITTER,RADIO. 4 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 5820-01-579-5443 has DEMIL Code F. 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.