The Direction Finder Set, cataloged under National Stock Number 5825-00-644-3437, is classified within Federal Supply Class 5825 (Radio Navigation Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5825-00-644-3437 |
| Item Name | Direction Finder Set |
| FSC / FSG | 5825 / 58 — Radio Navigation Equipment, Except Airborne |
| Status | ACTIVE |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| Indicator Type | AUDIO AND CATHODE RAY TUBE |
| Frequency Band Quantity | 1 |
| Document Type | INSTRUCTION BOOK |
| AC Voltage Rating | 117.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Accessory Identifying Number | AS-410/URD-2 TYPE NO. AND 203832-1 TYPE NO. AND 10662 TYPE NO. AND 10666 TYPE NO. AND R-256A/URD-2 TYPE NO. AND T-207A/URD-2 TYPE NO. AND 10610 TYPE NO. A |
| Accessory Component Name | ANTENNA ASSEMBLY; LIGHT SHIELD; MAST,ANTENNA SUPPORT; MAGNETIC COMPASS; RECEIVER; TRANSMITTER; TRIPOP |
| Emission Type | AO AND A1 AND A2 AND A3 AND F1 AND F3 |
| Vehicle for Which Designed | SURFACE VESSELS |
| Operating Frequency | 100.000 MEGAHERTZ MINIMUM AND 156.000 MEGAHERTZ MAXIMUM |
| Accessory Controlling Agency | JCENS,BUSHIPS,BUSHIPS,BUSHIPS,JCENS |
| Frequency Rating | 55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM FIRST OPERATING POWER RQMT |
| Accessory Component Quantity | 9 |
| Document Controlling Agency | BUSHIPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ANURD2AWSPARES | 3/2 Design control — primary reference U.S. Government activity |
NSN 5825-00-644-3437 is a Direction Finder Set, classified under FSC 5825, Radio Navigation Equipment, Except Airborne. Status: active.
Key specifications for 5825-00-644-3437: Phase: SINGLE FIRST OPERATING POWER RQMT; Indicator Type: AUDIO AND CATHODE RAY TUBE; Frequency Band Quantity: 1; Document Type: INSTRUCTION BOOK. 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 5825-00-644-3437 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.