The Tuner,radio Frequency, cataloged under National Stock Number 5820-01-385-6401, 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 Antenna Research Associates, Incorporated. 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-385-6401 |
| Primary Part Number | 40704 |
| Item Name | Tuner,radio Frequency |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Antenna Research Associates, Incorporated |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Impedance Rating Per Channel | 50.000 OHMS OPERATING CHANNEL |
| Inclosure Type | ENCASED |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Installation Design | RACK |
| 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 |
|---|---|
| 40704 PRIMARY | Antenna Research Associates, Incorporated (USA) |
NSN 5820-01-385-6401 is a Tuner,radio Frequency, manufactured by Antenna Research Associates, Incorporated, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-385-6401 has 1 manufacturer part number on file: 40704 (Antenna Research Associates, Incorporated).
2 possible matches (shared part number, not a government interchangeability claim): 5940-01-526-2494, 7310-01-627-2711. Verify interchangeability with system specifications before substitution.
Key specifications for 40704: Circuit Construction Type: SOLID STATE; Overall Height: 5.250 INCHES NOMINAL IN; Impedance Rating Per Channel: 50.000 OHMS OPERATING CHANNEL; Inclosure Type: ENCASED. 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 5820-01-385-6401 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.