The Antenna, cataloged under National Stock Number 5985-01-089-9514, 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 Axillon Aerospace (baltimore) Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-089-9514 |
| Primary Part Number | 9D31800 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Axillon Aerospace (baltimore) Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT |
| Design Type | HELIX SINGLE ANTENNA ELEMENT |
| Overall Diameter | 2.750 INCHES MAXIMUM IN |
| Mounting Method | BASE AND UNTHREADED HOLE(S) |
| Radiation Pattern | BIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | CIRCULAR SINGLE ANTENNA ELEMENT |
| Frequency Rating | 0.500 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | BNC 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 |
|---|---|
| 9D31800 PRIMARY | Axillon Aerospace (baltimore) Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9D31800 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-089-9514 is a Antenna, manufactured by Axillon Aerospace (baltimore) Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-089-9514 has 1 manufacturer part number on file: 9D31800 (Axillon Aerospace (baltimore) Inc.).
Key specifications for 9D31800: Mounting Hole Quantity: 3; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT; Design Type: HELIX SINGLE ANTENNA ELEMENT. 11 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.