The Antenna, cataloged under National Stock Number 5985-01-667-4868, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-667-4868 |
| Primary Part Number | 21-50-114-F81 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Aviatech Corporation Dba Aviatech Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 11 |
| Terminal Type | CONNECTOR, RECEPTACLE SECOND ANTENNA |
| Terminal Type | SCREW FIRST ANTENNA |
| Design Type | BLADE FIRST ANTENNA |
| Design Type | BLADE SECOND ANTENNA |
| Radiation Pattern | OMNIDIRECTIONAL ALL ANTENNAS |
| Mounting Hole Diameter | 0.203 INCHES NOMINAL IN |
| Frequency Rating | 2500.0 MEGAHERTZ MAXIMUM SECOND ANTENNA |
| Frequency Rating | 512.0 MEGAHERTZ MAXIMUM FIRST ANTENNA |
| Power Rating | 2.0 KILOWATTS PEAK SECOND ANTENNA |
| Power Rating | 25.0 WATTS AVERAGE FIRST ANTENNA |
| Coaxial Connector Series Designation | TNC SECOND ANTENNA |
| 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 |
|---|---|
| 21-50-114-F81 | Cooper Antennas Ltd (GBR) |
| 21-50-114-F81 PRIMARY | Aviatech Corporation Dba Aviatech Corp (USA) |
| Reference | Meaning |
|---|---|
| X201424827 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-667-4868 is a Antenna, manufactured by Aviatech Corporation Dba Aviatech Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-667-4868 has 2 manufacturer part numbers on file: 21-50-114-F81 (Cooper Antennas Ltd), 21-50-114-F81 (Aviatech Corporation Dba Aviatech Corp).
Key specifications for 21-50-114-F81: Mounting Hole Quantity: 11; Overall Height: 9.76 INCHES NOMINAL IN; Terminal Type: CONNECTOR, RECEPTACLE SECOND ANTENNA; Terminal Type: SCREW FIRST ANTENNA. 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 5985-01-667-4868 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.