The Antenna, cataloged under National Stock Number 5985-01-577-3058, 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 Comtelco Industries Inc. 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 | 5985-01-577-3058 |
| Primary Part Number | BSLDB18U9 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Comtelco Industries Inc |
| Status | ACTIVE |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT |
| Design Type | MONOPOLE SINGLE ANTENNA ELEMENT |
| Mounting Method | BRACKET(S) |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Connector End Design | SOCKET SINGLE ANTENNA ELEMENT |
| Characteristic Impedance in Ohms | 50.0 SINGLE ANTENNA ELEMENT |
| Electromagnetic Polarization Type | VERTICAL SINGLE ANTENNA ELEMENT |
| Environmental Protection | HIGH WIND RESISTANT AND WEATHERPROOF |
| Frequency Rating | 921.000 MEGAHERTZ MINIMUM AND 960.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT |
| Power Rating | 250.000 WATTS PEAK SINGLE ANTENNA ELEMENT |
| Coaxial Connector Series Designation | N SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BSLDB18U9 PRIMARY | Comtelco Industries Inc (USA) |
NSN 5985-01-577-3058 is a Antenna, manufactured by Comtelco Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-577-3058 has 1 manufacturer part number on file: BSLDB18U9 (Comtelco Industries Inc).
Key specifications for BSLDB18U9: Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT; Design Type: MONOPOLE SINGLE ANTENNA ELEMENT; Mounting Method: BRACKET(S). 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 5985-01-577-3058 has DEMIL Code B. 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.