The Direction Finder Set, cataloged under National Stock Number 5825-00-473-7883, is classified within Federal Supply Class 5825 (Radio Navigation Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5825-00-473-7883 |
| Primary Part Number | EL-413 |
| Item Name | Direction Finder Set |
| FSC / FSG | 5825 / 58 — Radio Navigation Equipment, Except Airborne |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| Indicator Type | AUDIO AND CATHODE RAY TUBE |
| Frequency Band Quantity | 1 |
| AC Voltage Rating | 115.000 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Accessory Identifying Number | AS-514A/URD-4 TYPE NO. AND CY-890A/URD-4 TYPE NO. AND CY-1304A/URD-4 TYPE NO. AND IP-540/URD-4A TYPE NO. AND PP-556A/URD-4 TYPE NO. AND R-353A/URD-4 TYPE NO. AND OA-485A/URD-4 TYPE NO. AND TS-777A/URD-4 TYPE NO. A |
| Accessory Component Name | ANTENNA; CABINET ELECTRICAL EQUIPMENT; INDICATOR,AZIMUTH; POWER SUPPLY RECEIVER RADIO; RECEIVER GROUP; TEST SET,RADIO |
| Emission Type | AO |
| Joint Electronics Type Designation System Item Type Number | AN/URD-4A A |
| Joint Electronics Type Designation System Item Name | DIRECTION FINDER SET |
| Operating Frequency | 225.000 MEGAHERTZ MINIMUM AND 399.000 MEGAHERTZ MAXIMUM |
| Accessory Controlling Agency | JETDS |
| Frequency Rating | 60.000 MEGAHERTZ NOMINAL FIRST OPERATING POWER RQMT |
| Channel Quantity | 1750 |
| Accessory Component Quantity | 8 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EL-413 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| ANURD4A | 5/2 Secondary reference U.S. Government activity |
NSN 5825-00-473-7883 is a Direction Finder Set, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5825, Radio Navigation Equipment, Except Airborne. Status: active.
NSN 5825-00-473-7883 has 1 manufacturer part number on file: EL-413 (Raytheon Company Dba Raytheon Co).
Key specifications for EL-413: Phase: SINGLE FIRST OPERATING POWER RQMT; Indicator Type: AUDIO AND CATHODE RAY TUBE; Frequency Band Quantity: 1; AC Voltage Rating: 115.000 VOLTS NOMINAL FIRST OPERATING POWER RQMT. 14 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 5825-00-473-7883 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.