The Receiver-Transmitter,radio, cataloged under National Stock Number 5820-01-412-4651, 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 Teledyne Flir Maritime Us, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-412-4651 |
| Primary Part Number | M56757 |
| Item Name | Receiver-Transmitter,radio |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Teledyne Flir Maritime Us, Inc. |
| Status | ACTIVE |
| Receiver Emission Type | J3E, A1A, F1B, H3E |
| Output Frequency Rating | 1.600 MEGAHERTZ MINIMUM AND 29.999 MEGAHERTZ MAXIMUM |
| DC Voltage Rating | 13.6 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Power Source Relationship | OPERATING |
| Transmitter Emission Type | J3E (USB), H3E (USB), A1A, F1B, J3E (LSB) FOR RECEPTION ONLY IN USA |
| Input Frequency Rating | 0.100 MEGAHERTZ MINIMUM AND 29.999 MEGAHERTZ MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M56757 PRIMARY | Teledyne Flir Maritime Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| M56757 | 5/9 Secondary reference Raytheon Marine Co Hq |
| M56757 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Dba Raytheon Co |
NSN 5820-01-412-4651 is a Receiver-Transmitter,radio, manufactured by Teledyne Flir Maritime Us, Inc., classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-412-4651 has 1 manufacturer part number on file: M56757 (Teledyne Flir Maritime Us, Inc.).
Key specifications for M56757: Overall Height: 5.100 INCHES NOMINAL IN; Receiver Emission Type: J3E, A1A, F1B, H3E; Output Frequency Rating: 1.600 MEGAHERTZ MINIMUM AND 29.999 MEGAHERTZ MAXIMUM; DC Voltage Rating: 13.6 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED. 6 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 5820-01-412-4651 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.