The Antenna, cataloged under National Stock Number 5985-01-554-7183, 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 Aviatech Corporation Dba Aviatech Corp. Government technical data includes 12 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 | 5985-01-554-7183 |
| Primary Part Number | 21-50-91 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Aviatech Corporation Dba Aviatech Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | BLADE SINGLE ANTENNA ELEMENT |
| Mounting Method | UNTHREADED HOLE(S) |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Mounting Hole Diameter | 0.234 INCHES NOMINAL IN |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Frequency Rating | 30.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Power Rating | 100.000 WATTS PEAK 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 |
|---|---|
| 21-50-91 PRIMARY | Aviatech Corporation Dba Aviatech Corp (USA) |
NSN 5985-01-554-7183 is a Antenna, manufactured by Aviatech Corporation Dba Aviatech Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-554-7183 has 1 manufacturer part number on file: 21-50-91 (Aviatech Corporation Dba Aviatech Corp).
Key specifications for 21-50-91: Mounting Hole Quantity: 6; Overall Height: 14.650 INCHES MAXIMUM IN; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT. 12 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 5985-01-554-7183 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.