The Antenna, cataloged under National Stock Number 5985-01-027-4089, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-027-4089 |
| Primary Part Number | 200AS158-2 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| FSC Application Data | CONTROL ASSEMBLY,GUIDED MISSILE |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT |
| Design Type | ANNULAR SLOT SINGLE ANTENNA ELEMENT |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Mounting Method | BASE AND THREADED HOLE(S) OR UNTHREADED HOLE(S) |
| Radiation Pattern | UNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Mounting Hole Diameter | 0.173 INCHES NOMINAL IN |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | LINEAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 4.000 MEGAHERTZ MINIMUM AND 12.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | N 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 |
|---|---|
| 200AS158-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5985-01-027-4089 is a Antenna, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-027-4089 has 1 manufacturer part number on file: 200AS158-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 200AS158-2: Mounting Hole Quantity: 6; Overall Height: 0.750 INCHES NOMINAL IN; FSC Application Data: CONTROL ASSEMBLY,GUIDED MISSILE; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT. 13 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 5985-01-027-4089 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.