The Antenna, cataloged under National Stock Number 5985-00-217-0504, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-217-0504 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPES,NONAIRBORNE |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | CABLE W/CONNECTOR SINGLE ANTENNA ELEMENT |
| Design Type | TAPERED SINGLE ANTENNA ELEMENT |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Mounting Method | COUPLING NUT |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 52.0 SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | VERTICAL SINGLE ANTENNA ELEMENT |
| Frequency Rating | 325.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AT-463/MRC-20 | 3/2 Design control — primary reference U.S. Government activity |
| NE10786 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-217-0504 is a Antenna, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-217-0504: FSC Application Data: RADIO SET,RADIO,EXCEPT NAVIGATION AND HOME TYPES,NONAIRBORNE; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: CABLE W/CONNECTOR SINGLE ANTENNA ELEMENT; Design Type: TAPERED SINGLE ANTENNA ELEMENT. 10 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.
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.