The Antenna, cataloged under National Stock Number 5985-01-393-2383, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Chelton Limited Div Cobham Antennas Bu. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-393-2383 |
| Primary Part Number | 18-12P4 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Chelton Limited Div Cobham Antennas Bu |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | WHIP SINGLE ANTENNA ELEMENT |
| Mounting Method | UNTHREADED HOLE(S) |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | LINEAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 30.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | TNC SINGLE ANTENNA ELEMENT |
| 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 |
|---|---|
| 18-12P4 | Chelton Limited Div Cobham Antennas Bu (GBR) |
| Reference | Meaning |
|---|---|
| 18-12P4 | 3/9 Design control — primary reference Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity |
NSN 5985-01-393-2383 is a Antenna, manufactured by Chelton Limited Div Cobham Antennas Bu, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-393-2383 has 1 manufacturer part number on file: 18-12P4 (Chelton Limited Div Cobham Antennas Bu).
Key specifications for 18-12P4: Mounting Hole Quantity: 6; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT; Design Type: WHIP 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.
NSN 5985-01-393-2383 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.