The Headset-Microphone, cataloged under National Stock Number 5965-00-879-1767, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-879-1767 |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Status | ACTIVE |
| Controlling Agency | WESTERN ELECTRIC CO INC |
| Microphone Element Type | CARBON |
| Operating Current Rating | 165.0 MILLIAMPERES NOMINAL |
| Mounting Method | SUSPENDED ON HEADBAND EARPHONE |
| Microphone Mounting Facility | ADAPTER FASTENED TO LEFT SIDE OF HEADBAND |
| DC Resistance Rating in Ohms | 50.0 NOMINAL |
| Identifying Number | N1 TYPE NO. |
| Earphone Identifying Number | NC4 PART NO. |
| Earphone Quantity | 1 |
| Output Level Rating | 65 DB BELOW 1V V |
| Connector Identifying Number | 289B PART NO. |
| Connector to Junction Cord Length | 15.000 FEET FT |
| Impedance Rating | 600.0 OHMS NOMINAL |
| Connector Controlling Agency | WESTERN ELECTRIC CO INC |
| Earphone Element Type | MAGNETIC |
| Frequency Rating | 0.4 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM |
| Connector Name | PLUG |
| Earphone Controlling Agency | WESTERN ELECTRIC CO INC |
| Earphone Impedance Rating | 650.0 OHMS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1661-9 | 5/2 Secondary reference U.S. Government activity |
| 53PRW | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 53GRW | 5/9 Secondary reference American Telephone and Telegraph Co |
| 1565S | 5/9 Secondary reference U.S. Government activity |
NSN 5965-00-879-1767 is a Headset-Microphone, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-373-0877, 5340-01-568-2077. Verify interchangeability with system specifications before substitution.
Key specifications for 5965-00-879-1767: Controlling Agency: WESTERN ELECTRIC CO INC; Microphone Element Type: CARBON; Operating Current Rating: 165.0 MILLIAMPERES NOMINAL; Mounting Method: SUSPENDED ON HEADBAND EARPHONE. 19 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.