The Earphone, cataloged under National Stock Number 5965-00-464-6191, 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 Telephonics Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-00-464-6191 |
| Primary Part Number | 296D000-2 |
| Item Name | Earphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Acoustic Sensitivity Reference Rating | NOT RATED |
| Body Style | EARPHONE, CIRCULAR |
| Terminal Type | SETSCREW |
| Impedance Matching Device Type | TRANSFORMER |
| Input Terminal Type | PIN SIGNAL |
| Overall Diameter | 2.047 INCHES NOMINAL IN |
| Mounting Method | DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE |
| Impedance Rating in Ohms | 300.0 NOMINAL |
| Terminal Location | EXTERNAL |
| Earphone Overall Depth | 1.094 INCHES NOMINAL IN |
| Earphone Element Type | DYNAMIC |
| Shell Material | STEEL EARPHONE |
| 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 |
|---|---|
| 296D000-2 PRIMARY | Telephonics Corp (USA) |
| Reference | Meaning |
|---|---|
| 24135-4 | 5/9 Secondary reference Telephonics Corp |
NSN 5965-00-464-6191 is a Earphone, manufactured by Telephonics Corp, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-464-6191 has 1 manufacturer part number on file: 296D000-2 (Telephonics Corp).
Key specifications for 296D000-2: Terminal Quantity: 2; Acoustic Sensitivity Reference Rating: NOT RATED; Body Style: EARPHONE, CIRCULAR; Terminal Type: SETSCREW. 13 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.