The Diaphragm,microphone, cataloged under National Stock Number 5965-01-478-3242, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-01-478-3242 |
| Primary Part Number | 4192 |
| Item Name | Diaphragm,microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 200.0 DC |
| Overall Diameter | 0.520 INCHES NOMINAL IN |
| General Characteristics Item Description | PRESSURE-FIELD 1/2 INCH MICROPHONE TYPE 4192, EXTERNALLY-POLARIZED IN |
| 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 |
|---|---|
| 4192 PRIMARY | Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer (USA) |
| Reference | Meaning |
|---|---|
| 4192 | 5/9 Secondary reference Spectris Technologies Inc. |
NSN 5965-01-478-3242 is a Diaphragm,microphone, manufactured by Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-478-3242 has 1 manufacturer part number on file: 4192 (Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer).
Key specifications for 4192: Overall Height: 0.530 INCHES NOMINAL IN; Voltage in Volts and Current Type: 200.0 DC; Overall Diameter: 0.520 INCHES NOMINAL IN; General Characteristics Item Description: PRESSURE-FIELD 1/2 INCH MICROPHONE TYPE 4192, EXTERNALLY-POLARIZED IN. 3 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.