The Antenna, cataloged under National Stock Number 5985-01-003-2499, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-003-2499 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Design Type | HORN SINGLE ANTENNA ELEMENT |
| Beam Width Angle | 36.0 DEGREES HORIZONTAL AND 36.0 DEGREES VERTICAL SINGLE ANTENNA ELEMENT |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Frequency Rating | 4200.000 MEGAHERTZ MINIMUM AND 4400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Type/model Designation | AS-3057/APN-203(V) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 01A238151A21-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-003-2499 is a Antenna, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-003-2499: Overall Height: 2.600 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Design Type: HORN SINGLE ANTENNA ELEMENT. 8 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 5985-01-003-2499 has DEMIL Code B. 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.