The Coupler,antenna, cataloged under National Stock Number 5985-01-406-2843, 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 Electro-Metrics Corporation Dba Electro-Metrics. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-406-2843 |
| Primary Part Number | BIA-30C |
| Item Name | Coupler,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Electro-Metrics Corporation Dba Electro-Metrics |
| Status | ACTIVE |
| Terminal Quantity | 1 |
| Terminal Type | COAXIAL |
| Overall Diameter | 533.0 MILLIMETERS NOMINAL MM |
| Radio Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 220.0 MEGAHERTZ MAXIMUM |
| Tuning Type | FIXED |
| Power Rating | 100.0 WATTS MAXIMUM |
| Material | IRON CAST BODY |
| 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 |
|---|---|
| BIA-30C PRIMARY | Electro-Metrics Corporation Dba Electro-Metrics (USA) |
| Reference | Meaning |
|---|---|
| BIA-30C | 3/9 Design control — primary reference Electro-Metrics Corporation Dba Electro-Metrics |
NSN 5985-01-406-2843 is a Coupler,antenna, manufactured by Electro-Metrics Corporation Dba Electro-Metrics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-406-2843 has 1 manufacturer part number on file: BIA-30C (Electro-Metrics Corporation Dba Electro-Metrics).
Key specifications for BIA-30C: Terminal Quantity: 1; Terminal Type: COAXIAL; Overall Diameter: 533.0 MILLIMETERS NOMINAL MM; Radio Frequency Rating: 20.0 MEGAHERTZ MINIMUM AND 220.0 MEGAHERTZ MAXIMUM. 7 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.