The Antenna, cataloged under National Stock Number 5985-01-020-1066, 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 Watkins Johnson Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-020-1066 |
| Primary Part Number | AR274-3 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Watkins Johnson Co |
| Status | ACTIVE |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Radiation Pattern | BIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | LINEAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 0.250 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Power Gain in Decibels | 8.00 SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | N 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 |
| Part Number | Manufacturer |
|---|---|
| AR274-3 PRIMARY | Watkins Johnson Co (USA) |
| Reference | Meaning |
|---|---|
| AR274-3 | 5/9 Secondary reference Watkins-Johnson Co |
NSN 5985-01-020-1066 is a Antenna, manufactured by Watkins Johnson Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-020-1066 has 1 manufacturer part number on file: AR274-3 (Watkins Johnson Co).
Key specifications for AR274-3: Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Radiation Pattern: BIDIRECTIONAL SINGLE ANTENNA ELEMENT; Connector End Design: SOCKET SINGLE ANTENNA ELEMENT; Electromagnetic Polarization Type: LINEAR SINGLE ANTENNA ELEMENT. 7 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.