The Antenna, cataloged under National Stock Number 5985-01-682-2381, 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 Frontgrade Technologies Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-682-2381 |
| Primary Part Number | AV2091-11-01 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT |
| Design Type | CIRCULAR ARRAY SINGLE ANTENNA ELEMENT |
| Mounting Method | BASE |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Supplementary Features | BLACK EPOXY PAINT PER MIL-PRF 22750G TY1 CLASS H G |
| Mounting Hole Diameter | 0.201 INCHES NOMINAL IN |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Distance Between Mounting Facility Centers | 2.600 INCHES NOMINAL IN |
| Electromagnetic Polarization Type | RIGHT CIRCULAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 243.0 MEGAHERTZ NOMINAL AND 380.0 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Power Gain in Decibels | 6.0 SINGLE ANTENNA ELEMENT |
| Power Rating | 200.0 WATTS AVERAGE SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | N SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AV2091-11-01 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| AV2091-11-01 | 3/9 Design control — primary reference Cobham Exeter, Inc. |
NSN 5985-01-682-2381 is a Antenna, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-682-2381 has 1 manufacturer part number on file: AV2091-11-01 (Frontgrade Technologies Inc.).
Key specifications for AV2091-11-01: Mounting Hole Quantity: 1; Overall Height: 3.0 INCHES NOMINAL IN; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT. 16 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 5985-01-682-2381 has DEMIL Code Q. 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.